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Finding the Fourth Proportional to 58,149.95, 80,251.19 and 32,657.82

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Solution

The fourth proportional to 58,149.95, 80,251.19 and 32,657.82 is: 45,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,149.95 : 80,251.19 = 32,657.82 : x
  2. Step 2: Convert to fraction form
    58,149.95/80,251.19 = 32,657.82/x
  3. Step 3: Cross multiply
    58,149.95x = 80,251.19 × 32,657.82
  4. Step 4: Simplify right side
    58,149.95x = 2,620,828,999.45
  5. Step 5: Solve for x
    x = 2,620,828,999.45/58,149.95
  6. Step 6: Final answer
    x = 45,070.18

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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.