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Finding the Fourth Proportional to 172,673.91, 238,235.18 and 97,207.83

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Solution

The fourth proportional to 172,673.91, 238,235.18 and 97,207.83 is: 134,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,673.91 : 238,235.18 = 97,207.83 : x
  2. Step 2: Convert to fraction form
    172,673.91/238,235.18 = 97,207.83/x
  3. Step 3: Cross multiply
    172,673.91x = 238,235.18 × 97,207.83
  4. Step 4: Simplify right side
    172,673.91x = 23,158,324,391.42
  5. Step 5: Solve for x
    x = 23,158,324,391.42/172,673.91
  6. Step 6: Final answer
    x = 134,115.94

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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.