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Finding the Fourth Proportional to 116,702.40, 175,053.60 and 114,952.80

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Solution

The fourth proportional to 116,702.40, 175,053.60 and 114,952.80 is: 172,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,702.40 : 175,053.60 = 114,952.80 : x
  2. Step 2: Convert to fraction form
    116,702.40/175,053.60 = 114,952.80/x
  3. Step 3: Cross multiply
    116,702.40x = 175,053.60 × 114,952.80
  4. Step 4: Simplify right side
    116,702.40x = 20,122,901,470.08
  5. Step 5: Solve for x
    x = 20,122,901,470.08/116,702.40
  6. Step 6: Final answer
    x = 172,429.20

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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.