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Finding the Fourth Proportional to 141,751.60, 212,627.40 and 41,902.90

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Solution

The fourth proportional to 141,751.60, 212,627.40 and 41,902.90 is: 62,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,751.60 : 212,627.40 = 41,902.90 : x
  2. Step 2: Convert to fraction form
    141,751.60/212,627.40 = 41,902.90/x
  3. Step 3: Cross multiply
    141,751.60x = 212,627.40 × 41,902.90
  4. Step 4: Simplify right side
    141,751.60x = 8,909,704,679.46
  5. Step 5: Solve for x
    x = 8,909,704,679.46/141,751.60
  6. Step 6: Final answer
    x = 62,854.35

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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.