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Finding the Fourth Proportional to 121,342.88, 182,023.52 and 41,355.98

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Solution

The fourth proportional to 121,342.88, 182,023.52 and 41,355.98 is: 62,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,342.88 : 182,023.52 = 41,355.98 : x
  2. Step 2: Convert to fraction form
    121,342.88/182,023.52 = 41,355.98/x
  3. Step 3: Cross multiply
    121,342.88x = 182,023.52 × 41,355.98
  4. Step 4: Simplify right side
    121,342.88x = 7,527,759,935.75
  5. Step 5: Solve for x
    x = 7,527,759,935.75/121,342.88
  6. Step 6: Final answer
    x = 62,037.10

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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.