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Finding the Fourth Proportional to 250,565.60, 376,045.23 and 138,323.29

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Solution

The fourth proportional to 250,565.60, 376,045.23 and 138,323.29 is: 207,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,565.60 : 376,045.23 = 138,323.29 : x
  2. Step 2: Convert to fraction form
    250,565.60/376,045.23 = 138,323.29/x
  3. Step 3: Cross multiply
    250,565.60x = 376,045.23 × 138,323.29
  4. Step 4: Simplify right side
    250,565.60x = 52,015,813,353.75
  5. Step 5: Solve for x
    x = 52,015,813,353.75/250,565.60
  6. Step 6: Final answer
    x = 207,593.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.