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Finding the Fourth Proportional to 155,244.52, 232,957.16 and 65,280.73

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Solution

The fourth proportional to 155,244.52, 232,957.16 and 65,280.73 is: 97,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,244.52 : 232,957.16 = 65,280.73 : x
  2. Step 2: Convert to fraction form
    155,244.52/232,957.16 = 65,280.73/x
  3. Step 3: Cross multiply
    155,244.52x = 232,957.16 × 65,280.73
  4. Step 4: Simplify right side
    155,244.52x = 15,207,613,137.12
  5. Step 5: Solve for x
    x = 15,207,613,137.12/155,244.52
  6. Step 6: Final answer
    x = 97,959.10

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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.