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Finding the Fourth Proportional to 96,341.80, 144,512.70 and 54,869.80

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Solution

The fourth proportional to 96,341.80, 144,512.70 and 54,869.80 is: 82,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,341.80 : 144,512.70 = 54,869.80 : x
  2. Step 2: Convert to fraction form
    96,341.80/144,512.70 = 54,869.80/x
  3. Step 3: Cross multiply
    96,341.80x = 144,512.70 × 54,869.80
  4. Step 4: Simplify right side
    96,341.80x = 7,929,382,946.46
  5. Step 5: Solve for x
    x = 7,929,382,946.46/96,341.80
  6. Step 6: Final answer
    x = 82,304.70

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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.