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Finding the Fourth Proportional to 247,253.13, 370,946.28 and 127,244.70

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Solution

The fourth proportional to 247,253.13, 370,946.28 and 127,244.70 is: 190,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,253.13 : 370,946.28 = 127,244.70 : x
  2. Step 2: Convert to fraction form
    247,253.13/370,946.28 = 127,244.70/x
  3. Step 3: Cross multiply
    247,253.13x = 370,946.28 × 127,244.70
  4. Step 4: Simplify right side
    247,253.13x = 47,200,948,114.72
  5. Step 5: Solve for x
    x = 47,200,948,114.72/247,253.13
  6. Step 6: Final answer
    x = 190,901.32

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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.