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Finding the Fourth Proportional to 168,446.71, 232,429.98 and 96,812.90

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Solution

The fourth proportional to 168,446.71, 232,429.98 and 96,812.90 is: 133,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,446.71 : 232,429.98 = 96,812.90 : x
  2. Step 2: Convert to fraction form
    168,446.71/232,429.98 = 96,812.90/x
  3. Step 3: Cross multiply
    168,446.71x = 232,429.98 × 96,812.90
  4. Step 4: Simplify right side
    168,446.71x = 22,502,220,410.74
  5. Step 5: Solve for x
    x = 22,502,220,410.74/168,446.71
  6. Step 6: Final answer
    x = 133,586.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.