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Finding the Fourth Proportional to 93,639, 140,472.48 and 34,470.12

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Solution

The fourth proportional to 93,639, 140,472.48 and 34,470.12 is: 51,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,639 : 140,472.48 = 34,470.12 : x
  2. Step 2: Convert to fraction form
    93,639/140,472.48 = 34,470.12/x
  3. Step 3: Cross multiply
    93,639x = 140,472.48 × 34,470.12
  4. Step 4: Simplify right side
    93,639x = 4,842,103,242.30
  5. Step 5: Solve for x
    x = 4,842,103,242.30/93,639
  6. Step 6: Final answer
    x = 51,710.33

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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.