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Finding the Fourth Proportional to 92,255.91, 138,404.88 and 29,075.70

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Solution

The fourth proportional to 92,255.91, 138,404.88 and 29,075.70 is: 43,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,255.91 : 138,404.88 = 29,075.70 : x
  2. Step 2: Convert to fraction form
    92,255.91/138,404.88 = 29,075.70/x
  3. Step 3: Cross multiply
    92,255.91x = 138,404.88 × 29,075.70
  4. Step 4: Simplify right side
    92,255.91x = 4,024,218,769.42
  5. Step 5: Solve for x
    x = 4,024,218,769.42/92,255.91
  6. Step 6: Final answer
    x = 43,620.17

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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.