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Finding the Fourth Proportional to 181,246.32, 271,869.66 and 68,900.16

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Solution

The fourth proportional to 181,246.32, 271,869.66 and 68,900.16 is: 103,350.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,246.32 : 271,869.66 = 68,900.16 : x
  2. Step 2: Convert to fraction form
    181,246.32/271,869.66 = 68,900.16/x
  3. Step 3: Cross multiply
    181,246.32x = 271,869.66 × 68,900.16
  4. Step 4: Simplify right side
    181,246.32x = 18,731,863,073.15
  5. Step 5: Solve for x
    x = 18,731,863,073.15/181,246.32
  6. Step 6: Final answer
    x = 103,350.31

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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.