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Finding the Fourth Proportional to 124,472.76, 186,591.06 and 49,639.02

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Solution

The fourth proportional to 124,472.76, 186,591.06 and 49,639.02 is: 74,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,472.76 : 186,591.06 = 49,639.02 : x
  2. Step 2: Convert to fraction form
    124,472.76/186,591.06 = 49,639.02/x
  3. Step 3: Cross multiply
    124,472.76x = 186,591.06 × 49,639.02
  4. Step 4: Simplify right side
    124,472.76x = 9,262,197,359.16
  5. Step 5: Solve for x
    x = 9,262,197,359.16/124,472.76
  6. Step 6: Final answer
    x = 74,411.44

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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.