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Finding the Fourth Proportional to 118,856,000.20, 178,000,565.10 and 118,856,000.20

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Solution

The fourth proportional to 118,856,000.20, 178,000,565.10 and 118,856,000.20 is: 178,000,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,856,000.20 : 178,000,565.10 = 118,856,000.20 : x
  2. Step 2: Convert to fraction form
    118,856,000.20/178,000,565.10 = 118,856,000.20/x
  3. Step 3: Cross multiply
    118,856,000.20x = 178,000,565.10 × 118,856,000.20
  4. Step 4: Simplify right side
    118,856,000.20x = 21,156,435,201,125,712
  5. Step 5: Solve for x
    x = 21,156,435,201,125,712/118,856,000.20
  6. Step 6: Final answer
    x = 178,000,565.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.