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Finding the Fourth Proportional to 118,023.20, 176,840.40 and 58,731.20

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Solution

The fourth proportional to 118,023.20, 176,840.40 and 58,731.20 is: 88,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023.20 : 176,840.40 = 58,731.20 : x
  2. Step 2: Convert to fraction form
    118,023.20/176,840.40 = 58,731.20/x
  3. Step 3: Cross multiply
    118,023.20x = 176,840.40 × 58,731.20
  4. Step 4: Simplify right side
    118,023.20x = 10,386,048,900.48
  5. Step 5: Solve for x
    x = 10,386,048,900.48/118,023.20
  6. Step 6: Final answer
    x = 88,000.06

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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.