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Finding the Fourth Proportional to 140,476.68, 210,506.24 and 84,250.94

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Solution

The fourth proportional to 140,476.68, 210,506.24 and 84,250.94 is: 126,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,476.68 : 210,506.24 = 84,250.94 : x
  2. Step 2: Convert to fraction form
    140,476.68/210,506.24 = 84,250.94/x
  3. Step 3: Cross multiply
    140,476.68x = 210,506.24 × 84,250.94
  4. Step 4: Simplify right side
    140,476.68x = 17,735,347,753.96
  5. Step 5: Solve for x
    x = 17,735,347,753.96/140,476.68
  6. Step 6: Final answer
    x = 126,251.19

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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.