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Finding the Fourth Proportional to 125,360.73, 187,864.29 and 69,226.11

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Solution

The fourth proportional to 125,360.73, 187,864.29 and 69,226.11 is: 103,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,360.73 : 187,864.29 = 69,226.11 : x
  2. Step 2: Convert to fraction form
    125,360.73/187,864.29 = 69,226.11/x
  3. Step 3: Cross multiply
    125,360.73x = 187,864.29 × 69,226.11
  4. Step 4: Simplify right side
    125,360.73x = 13,005,114,004.61
  5. Step 5: Solve for x
    x = 13,005,114,004.61/125,360.73
  6. Step 6: Final answer
    x = 103,741.53

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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.