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Finding the Fourth Proportional to 125,373.60, 187,955.04 and 58,778.64

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Solution

The fourth proportional to 125,373.60, 187,955.04 and 58,778.64 is: 88,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,373.60 : 187,955.04 = 58,778.64 : x
  2. Step 2: Convert to fraction form
    125,373.60/187,955.04 = 58,778.64/x
  3. Step 3: Cross multiply
    125,373.60x = 187,955.04 × 58,778.64
  4. Step 4: Simplify right side
    125,373.60x = 11,047,741,632.35
  5. Step 5: Solve for x
    x = 11,047,741,632.35/125,373.60
  6. Step 6: Final answer
    x = 88,118.56

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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.