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Finding the Fourth Proportional to 125,699.60, 188,610.84 and 59,146.34

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Solution

The fourth proportional to 125,699.60, 188,610.84 and 59,146.34 is: 88,748.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,699.60 : 188,610.84 = 59,146.34 : x
  2. Step 2: Convert to fraction form
    125,699.60/188,610.84 = 59,146.34/x
  3. Step 3: Cross multiply
    125,699.60x = 188,610.84 × 59,146.34
  4. Step 4: Simplify right side
    125,699.60x = 11,155,640,870.33
  5. Step 5: Solve for x
    x = 11,155,640,870.33/125,699.60
  6. Step 6: Final answer
    x = 88,748.42

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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.