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Finding the Fourth Proportional to 83,006.40, 124,639.20 and 48,014.40

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Solution

The fourth proportional to 83,006.40, 124,639.20 and 48,014.40 is: 72,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,006.40 : 124,639.20 = 48,014.40 : x
  2. Step 2: Convert to fraction form
    83,006.40/124,639.20 = 48,014.40/x
  3. Step 3: Cross multiply
    83,006.40x = 124,639.20 × 48,014.40
  4. Step 4: Simplify right side
    83,006.40x = 5,984,476,404.48
  5. Step 5: Solve for x
    x = 5,984,476,404.48/83,006.40
  6. Step 6: Final answer
    x = 72,096.57

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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.