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Finding the Fourth Proportional to 172,685.65, 238,313.54 and 96,204.70

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Solution

The fourth proportional to 172,685.65, 238,313.54 and 96,204.70 is: 132,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,685.65 : 238,313.54 = 96,204.70 : x
  2. Step 2: Convert to fraction form
    172,685.65/238,313.54 = 96,204.70/x
  3. Step 3: Cross multiply
    172,685.65x = 238,313.54 × 96,204.70
  4. Step 4: Simplify right side
    172,685.65x = 22,926,881,819.53
  5. Step 5: Solve for x
    x = 22,926,881,819.53/172,685.65
  6. Step 6: Final answer
    x = 132,766.57

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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.