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Finding the Fourth Proportional to 144,602.20, 216,903.30 and 93,863.80

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Solution

The fourth proportional to 144,602.20, 216,903.30 and 93,863.80 is: 140,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,602.20 : 216,903.30 = 93,863.80 : x
  2. Step 2: Convert to fraction form
    144,602.20/216,903.30 = 93,863.80/x
  3. Step 3: Cross multiply
    144,602.20x = 216,903.30 × 93,863.80
  4. Step 4: Simplify right side
    144,602.20x = 20,359,367,970.54
  5. Step 5: Solve for x
    x = 20,359,367,970.54/144,602.20
  6. Step 6: Final answer
    x = 140,795.70

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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.