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Finding the Fourth Proportional to 60,881.52, 91,192.80 and 29,245.08

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Solution

The fourth proportional to 60,881.52, 91,192.80 and 29,245.08 is: 43,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,881.52 : 91,192.80 = 29,245.08 : x
  2. Step 2: Convert to fraction form
    60,881.52/91,192.80 = 29,245.08/x
  3. Step 3: Cross multiply
    60,881.52x = 91,192.80 × 29,245.08
  4. Step 4: Simplify right side
    60,881.52x = 2,666,940,731.42
  5. Step 5: Solve for x
    x = 2,666,940,731.42/60,881.52
  6. Step 6: Final answer
    x = 43,805.42

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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.