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Finding the Fourth Proportional to 63,155.70, 87,152.65 and 37,648.90

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Solution

The fourth proportional to 63,155.70, 87,152.65 and 37,648.90 is: 51,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,155.70 : 87,152.65 = 37,648.90 : x
  2. Step 2: Convert to fraction form
    63,155.70/87,152.65 = 37,648.90/x
  3. Step 3: Cross multiply
    63,155.70x = 87,152.65 × 37,648.90
  4. Step 4: Simplify right side
    63,155.70x = 3,281,201,404.59
  5. Step 5: Solve for x
    x = 3,281,201,404.59/63,155.70
  6. Step 6: Final answer
    x = 51,954.16

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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.