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Finding the Fourth Proportional to 172,693, 238,316.34 and 101,069.56

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Solution

The fourth proportional to 172,693, 238,316.34 and 101,069.56 is: 139,475.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,693 : 238,316.34 = 101,069.56 : x
  2. Step 2: Convert to fraction form
    172,693/238,316.34 = 101,069.56/x
  3. Step 3: Cross multiply
    172,693x = 238,316.34 × 101,069.56
  4. Step 4: Simplify right side
    172,693x = 24,086,527,624.61
  5. Step 5: Solve for x
    x = 24,086,527,624.61/172,693
  6. Step 6: Final answer
    x = 139,475.99

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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.