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Finding the Fourth Proportional to 125,302.80, 187,984.98 and 36,557.22

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Solution

The fourth proportional to 125,302.80, 187,984.98 and 36,557.22 is: 54,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,302.80 : 187,984.98 = 36,557.22 : x
  2. Step 2: Convert to fraction form
    125,302.80/187,984.98 = 36,557.22/x
  3. Step 3: Cross multiply
    125,302.80x = 187,984.98 × 36,557.22
  4. Step 4: Simplify right side
    125,302.80x = 6,872,208,270.56
  5. Step 5: Solve for x
    x = 6,872,208,270.56/125,302.80
  6. Step 6: Final answer
    x = 54,844.81

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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.