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Finding the Fourth Proportional to 124,338.52, 186,562.91 and 65,160.12

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Solution

The fourth proportional to 124,338.52, 186,562.91 and 65,160.12 is: 97,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,338.52 : 186,562.91 = 65,160.12 : x
  2. Step 2: Convert to fraction form
    124,338.52/186,562.91 = 65,160.12/x
  3. Step 3: Cross multiply
    124,338.52x = 186,562.91 × 65,160.12
  4. Step 4: Simplify right side
    124,338.52x = 12,156,462,465.66
  5. Step 5: Solve for x
    x = 12,156,462,465.66/124,338.52
  6. Step 6: Final answer
    x = 97,769.08

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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.