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Finding the Fourth Proportional to 125,662.64, 188,555.45 and 59,109.48

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Solution

The fourth proportional to 125,662.64, 188,555.45 and 59,109.48 is: 88,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,662.64 : 188,555.45 = 59,109.48 : x
  2. Step 2: Convert to fraction form
    125,662.64/188,555.45 = 59,109.48/x
  3. Step 3: Cross multiply
    125,662.64x = 188,555.45 × 59,109.48
  4. Step 4: Simplify right side
    125,662.64x = 11,145,414,305.12
  5. Step 5: Solve for x
    x = 11,145,414,305.12/125,662.64
  6. Step 6: Final answer
    x = 88,693.14

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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.