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Finding the Fourth Proportional to 244,702.40, 367,053.60 and 78,507.20

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Solution

The fourth proportional to 244,702.40, 367,053.60 and 78,507.20 is: 117,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,702.40 : 367,053.60 = 78,507.20 : x
  2. Step 2: Convert to fraction form
    244,702.40/367,053.60 = 78,507.20/x
  3. Step 3: Cross multiply
    244,702.40x = 367,053.60 × 78,507.20
  4. Step 4: Simplify right side
    244,702.40x = 28,816,350,385.92
  5. Step 5: Solve for x
    x = 28,816,350,385.92/244,702.40
  6. Step 6: Final answer
    x = 117,760.80

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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.