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Finding the Fourth Proportional to 121,393.05, 182,125.11 and 62,269.93

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Solution

The fourth proportional to 121,393.05, 182,125.11 and 62,269.93 is: 93,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,393.05 : 182,125.11 = 62,269.93 : x
  2. Step 2: Convert to fraction form
    121,393.05/182,125.11 = 62,269.93/x
  3. Step 3: Cross multiply
    121,393.05x = 182,125.11 × 62,269.93
  4. Step 4: Simplify right side
    121,393.05x = 11,340,917,961.84
  5. Step 5: Solve for x
    x = 11,340,917,961.84/121,393.05
  6. Step 6: Final answer
    x = 93,423.13

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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.