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Finding the Fourth Proportional to 172,801.62, 238,471.29 and 101,174.94

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Solution

The fourth proportional to 172,801.62, 238,471.29 and 101,174.94 is: 139,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,801.62 : 238,471.29 = 101,174.94 : x
  2. Step 2: Convert to fraction form
    172,801.62/238,471.29 = 101,174.94/x
  3. Step 3: Cross multiply
    172,801.62x = 238,471.29 × 101,174.94
  4. Step 4: Simplify right side
    172,801.62x = 24,127,318,457.47
  5. Step 5: Solve for x
    x = 24,127,318,457.47/172,801.62
  6. Step 6: Final answer
    x = 139,624.38

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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.