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Finding the Fourth Proportional to 125,230.52, 187,927.22 and 54,222.50

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Solution

The fourth proportional to 125,230.52, 187,927.22 and 54,222.50 is: 81,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,230.52 : 187,927.22 = 54,222.50 : x
  2. Step 2: Convert to fraction form
    125,230.52/187,927.22 = 54,222.50/x
  3. Step 3: Cross multiply
    125,230.52x = 187,927.22 × 54,222.50
  4. Step 4: Simplify right side
    125,230.52x = 10,189,883,686.45
  5. Step 5: Solve for x
    x = 10,189,883,686.45/125,230.52
  6. Step 6: Final answer
    x = 81,369.01

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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.