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Finding the Fourth Proportional to 144,569.76, 216,854.88 and 94,963.20

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Solution

The fourth proportional to 144,569.76, 216,854.88 and 94,963.20 is: 142,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,569.76 : 216,854.88 = 94,963.20 : x
  2. Step 2: Convert to fraction form
    144,569.76/216,854.88 = 94,963.20/x
  3. Step 3: Cross multiply
    144,569.76x = 216,854.88 × 94,963.20
  4. Step 4: Simplify right side
    144,569.76x = 20,593,233,340.42
  5. Step 5: Solve for x
    x = 20,593,233,340.42/144,569.76
  6. Step 6: Final answer
    x = 142,444.96

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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.