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Finding the Fourth Proportional to 124,102.43, 186,062.88 and 39,814.64

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Solution

The fourth proportional to 124,102.43, 186,062.88 and 39,814.64 is: 59,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,102.43 : 186,062.88 = 39,814.64 : x
  2. Step 2: Convert to fraction form
    124,102.43/186,062.88 = 39,814.64/x
  3. Step 3: Cross multiply
    124,102.43x = 186,062.88 × 39,814.64
  4. Step 4: Simplify right side
    124,102.43x = 7,408,025,654.25
  5. Step 5: Solve for x
    x = 7,408,025,654.25/124,102.43
  6. Step 6: Final answer
    x = 59,692.84

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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.