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Finding the Fourth Proportional to 172,902.83, 238,624.25 and 101,342.97

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Solution

The fourth proportional to 172,902.83, 238,624.25 and 101,342.97 is: 139,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,902.83 : 238,624.25 = 101,342.97 : x
  2. Step 2: Convert to fraction form
    172,902.83/238,624.25 = 101,342.97/x
  3. Step 3: Cross multiply
    172,902.83x = 238,624.25 × 101,342.97
  4. Step 4: Simplify right side
    172,902.83x = 24,182,889,702.31
  5. Step 5: Solve for x
    x = 24,182,889,702.31/172,902.83
  6. Step 6: Final answer
    x = 139,864.05

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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.