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Finding the Fourth Proportional to 185,562.98, 256,049.70 and 103,887.02

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Solution

The fourth proportional to 185,562.98, 256,049.70 and 103,887.02 is: 143,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,562.98 : 256,049.70 = 103,887.02 : x
  2. Step 2: Convert to fraction form
    185,562.98/256,049.70 = 103,887.02/x
  3. Step 3: Cross multiply
    185,562.98x = 256,049.70 × 103,887.02
  4. Step 4: Simplify right side
    185,562.98x = 26,600,240,304.89
  5. Step 5: Solve for x
    x = 26,600,240,304.89/185,562.98
  6. Step 6: Final answer
    x = 143,348.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.