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Finding the Fourth Proportional to 101,269.39, 151,761.47 and 77,484.85

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Solution

The fourth proportional to 101,269.39, 151,761.47 and 77,484.85 is: 116,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,269.39 : 151,761.47 = 77,484.85 : x
  2. Step 2: Convert to fraction form
    101,269.39/151,761.47 = 77,484.85/x
  3. Step 3: Cross multiply
    101,269.39x = 151,761.47 × 77,484.85
  4. Step 4: Simplify right side
    101,269.39x = 11,759,213,592.50
  5. Step 5: Solve for x
    x = 11,759,213,592.50/101,269.39
  6. Step 6: Final answer
    x = 116,118.15

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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.