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Finding the Fourth Proportional to 79,166.40, 118,648.80 and 32,366.40

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Solution

The fourth proportional to 79,166.40, 118,648.80 and 32,366.40 is: 48,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.40 : 118,648.80 = 32,366.40 : x
  2. Step 2: Convert to fraction form
    79,166.40/118,648.80 = 32,366.40/x
  3. Step 3: Cross multiply
    79,166.40x = 118,648.80 × 32,366.40
  4. Step 4: Simplify right side
    79,166.40x = 3,840,234,520.32
  5. Step 5: Solve for x
    x = 3,840,234,520.32/79,166.40
  6. Step 6: Final answer
    x = 48,508.39

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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.