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Finding the Fourth Proportional to 125,130.56, 187,742.08 and 58,592.32

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Solution

The fourth proportional to 125,130.56, 187,742.08 and 58,592.32 is: 87,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,130.56 : 187,742.08 = 58,592.32 : x
  2. Step 2: Convert to fraction form
    125,130.56/187,742.08 = 58,592.32/x
  3. Step 3: Cross multiply
    125,130.56x = 187,742.08 × 58,592.32
  4. Step 4: Simplify right side
    125,130.56x = 11,000,244,028.83
  5. Step 5: Solve for x
    x = 11,000,244,028.83/125,130.56
  6. Step 6: Final answer
    x = 87,910.13

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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.