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Finding the Fourth Proportional to 122,337.95, 168,791.67 and 71,352.90

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Solution

The fourth proportional to 122,337.95, 168,791.67 and 71,352.90 is: 98,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,337.95 : 168,791.67 = 71,352.90 : x
  2. Step 2: Convert to fraction form
    122,337.95/168,791.67 = 71,352.90/x
  3. Step 3: Cross multiply
    122,337.95x = 168,791.67 × 71,352.90
  4. Step 4: Simplify right side
    122,337.95x = 12,043,775,150.34
  5. Step 5: Solve for x
    x = 12,043,775,150.34/122,337.95
  6. Step 6: Final answer
    x = 98,446.77

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1.5x scale

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.