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Finding the Fourth Proportional to 118,700.20, 178,007.10 and 59,516.20

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Solution

The fourth proportional to 118,700.20, 178,007.10 and 59,516.20 is: 89,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,700.20 : 178,007.10 = 59,516.20 : x
  2. Step 2: Convert to fraction form
    118,700.20/178,007.10 = 59,516.20/x
  3. Step 3: Cross multiply
    118,700.20x = 178,007.10 × 59,516.20
  4. Step 4: Simplify right side
    118,700.20x = 10,594,306,165.02
  5. Step 5: Solve for x
    x = 10,594,306,165.02/118,700.20
  6. Step 6: Final answer
    x = 89,252.64

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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.