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Finding the Fourth Proportional to 124,363.68, 186,600.60 and 65,185.28

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Solution

The fourth proportional to 124,363.68, 186,600.60 and 65,185.28 is: 97,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,363.68 : 186,600.60 = 65,185.28 : x
  2. Step 2: Convert to fraction form
    124,363.68/186,600.60 = 65,185.28/x
  3. Step 3: Cross multiply
    124,363.68x = 186,600.60 × 65,185.28
  4. Step 4: Simplify right side
    124,363.68x = 12,163,612,359.17
  5. Step 5: Solve for x
    x = 12,163,612,359.17/124,363.68
  6. Step 6: Final answer
    x = 97,806.79

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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.