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Finding the Fourth Proportional to 125,393.76, 188,081.46 and 58,849.02

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Solution

The fourth proportional to 125,393.76, 188,081.46 and 58,849.02 is: 88,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,393.76 : 188,081.46 = 58,849.02 : x
  2. Step 2: Convert to fraction form
    125,393.76/188,081.46 = 58,849.02/x
  3. Step 3: Cross multiply
    125,393.76x = 188,081.46 × 58,849.02
  4. Step 4: Simplify right side
    125,393.76x = 11,068,409,601.17
  5. Step 5: Solve for x
    x = 11,068,409,601.17/125,393.76
  6. Step 6: Final answer
    x = 88,269.22

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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.