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Finding the Fourth Proportional to 144,601.59, 216,760.80 and 60,385.83

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Solution

The fourth proportional to 144,601.59, 216,760.80 and 60,385.83 is: 90,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,601.59 : 216,760.80 = 60,385.83 : x
  2. Step 2: Convert to fraction form
    144,601.59/216,760.80 = 60,385.83/x
  3. Step 3: Cross multiply
    144,601.59x = 216,760.80 × 60,385.83
  4. Step 4: Simplify right side
    144,601.59x = 13,089,280,819.46
  5. Step 5: Solve for x
    x = 13,089,280,819.46/144,601.59
  6. Step 6: Final answer
    x = 90,519.62

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1.5x scale

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.