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Finding the Fourth Proportional to 252,296.40, 348,155.76 and 156,801

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Solution

The fourth proportional to 252,296.40, 348,155.76 and 156,801 is: 216,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,296.40 : 348,155.76 = 156,801 : x
  2. Step 2: Convert to fraction form
    252,296.40/348,155.76 = 156,801/x
  3. Step 3: Cross multiply
    252,296.40x = 348,155.76 × 156,801
  4. Step 4: Simplify right side
    252,296.40x = 54,591,171,323.76
  5. Step 5: Solve for x
    x = 54,591,171,323.76/252,296.40
  6. Step 6: Final answer
    x = 216,377.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.