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Finding the Fourth Proportional to 88,073.40, 132,012.90 and 48,658.80

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Solution

The fourth proportional to 88,073.40, 132,012.90 and 48,658.80 is: 72,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,073.40 : 132,012.90 = 48,658.80 : x
  2. Step 2: Convert to fraction form
    88,073.40/132,012.90 = 48,658.80/x
  3. Step 3: Cross multiply
    88,073.40x = 132,012.90 × 48,658.80
  4. Step 4: Simplify right side
    88,073.40x = 6,423,589,298.52
  5. Step 5: Solve for x
    x = 6,423,589,298.52/88,073.40
  6. Step 6: Final answer
    x = 72,934.50

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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.