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Finding the Fourth Proportional to 92,309.78, 127,385.72 and 52,022.73

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Solution

The fourth proportional to 92,309.78, 127,385.72 and 52,022.73 is: 71,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,309.78 : 127,385.72 = 52,022.73 : x
  2. Step 2: Convert to fraction form
    92,309.78/127,385.72 = 52,022.73/x
  3. Step 3: Cross multiply
    92,309.78x = 127,385.72 × 52,022.73
  4. Step 4: Simplify right side
    92,309.78x = 6,626,952,657.30
  5. Step 5: Solve for x
    x = 6,626,952,657.30/92,309.78
  6. Step 6: Final answer
    x = 71,790.36

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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.