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Finding the Fourth Proportional to 124,850.61, 187,294.58 and 45,958.85

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Solution

The fourth proportional to 124,850.61, 187,294.58 and 45,958.85 is: 68,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,850.61 : 187,294.58 = 45,958.85 : x
  2. Step 2: Convert to fraction form
    124,850.61/187,294.58 = 45,958.85/x
  3. Step 3: Cross multiply
    124,850.61x = 187,294.58 × 45,958.85
  4. Step 4: Simplify right side
    124,850.61x = 8,607,842,341.77
  5. Step 5: Solve for x
    x = 8,607,842,341.77/124,850.61
  6. Step 6: Final answer
    x = 68,945.14

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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.