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Finding the Fourth Proportional to 172,805.39, 238,472.52 and 96,329.34

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Solution

The fourth proportional to 172,805.39, 238,472.52 and 96,329.34 is: 132,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,805.39 : 238,472.52 = 96,329.34 : x
  2. Step 2: Convert to fraction form
    172,805.39/238,472.52 = 96,329.34/x
  3. Step 3: Cross multiply
    172,805.39x = 238,472.52 × 96,329.34
  4. Step 4: Simplify right side
    172,805.39x = 22,971,900,459.74
  5. Step 5: Solve for x
    x = 22,971,900,459.74/172,805.39
  6. Step 6: Final answer
    x = 132,935.10

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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.