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Finding the Fourth Proportional to 147,551.70, 221,327.55 and 36,743.70

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Solution

The fourth proportional to 147,551.70, 221,327.55 and 36,743.70 is: 55,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,551.70 : 221,327.55 = 36,743.70 : x
  2. Step 2: Convert to fraction form
    147,551.70/221,327.55 = 36,743.70/x
  3. Step 3: Cross multiply
    147,551.70x = 221,327.55 × 36,743.70
  4. Step 4: Simplify right side
    147,551.70x = 8,132,393,098.94
  5. Step 5: Solve for x
    x = 8,132,393,098.94/147,551.70
  6. Step 6: Final answer
    x = 55,115.55

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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.