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Finding the Fourth Proportional to 143,999.86, 216,096.20 and 59,760.11

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Solution

The fourth proportional to 143,999.86, 216,096.20 and 59,760.11 is: 89,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,999.86 : 216,096.20 = 59,760.11 : x
  2. Step 2: Convert to fraction form
    143,999.86/216,096.20 = 59,760.11/x
  3. Step 3: Cross multiply
    143,999.86x = 216,096.20 × 59,760.11
  4. Step 4: Simplify right side
    143,999.86x = 12,913,932,682.58
  5. Step 5: Solve for x
    x = 12,913,932,682.58/143,999.86
  6. Step 6: Final answer
    x = 89,680.18

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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.