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Finding the Fourth Proportional to 124,207.49, 186,342.26 and 49,302.87

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Solution

The fourth proportional to 124,207.49, 186,342.26 and 49,302.87 is: 73,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,207.49 : 186,342.26 = 49,302.87 : x
  2. Step 2: Convert to fraction form
    124,207.49/186,342.26 = 49,302.87/x
  3. Step 3: Cross multiply
    124,207.49x = 186,342.26 × 49,302.87
  4. Step 4: Simplify right side
    124,207.49x = 9,187,207,973.77
  5. Step 5: Solve for x
    x = 9,187,207,973.77/124,207.49
  6. Step 6: Final answer
    x = 73,966.62

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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.