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Finding the Fourth Proportional to 247,497.53, 371,252.69 and 79,017.71

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Solution

The fourth proportional to 247,497.53, 371,252.69 and 79,017.71 is: 118,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,497.53 : 371,252.69 = 79,017.71 : x
  2. Step 2: Convert to fraction form
    247,497.53/371,252.69 = 79,017.71/x
  3. Step 3: Cross multiply
    247,497.53x = 371,252.69 × 79,017.71
  4. Step 4: Simplify right side
    247,497.53x = 29,335,535,440.10
  5. Step 5: Solve for x
    x = 29,335,535,440.10/247,497.53
  6. Step 6: Final answer
    x = 118,528.60

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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.