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Finding the Fourth Proportional to 79,810.55, 119,702.71 and 32,423.73

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Solution

The fourth proportional to 79,810.55, 119,702.71 and 32,423.73 is: 48,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,810.55 : 119,702.71 = 32,423.73 : x
  2. Step 2: Convert to fraction form
    79,810.55/119,702.71 = 32,423.73/x
  3. Step 3: Cross multiply
    79,810.55x = 119,702.71 × 32,423.73
  4. Step 4: Simplify right side
    79,810.55x = 3,881,208,067.20
  5. Step 5: Solve for x
    x = 3,881,208,067.20/79,810.55
  6. Step 6: Final answer
    x = 48,630.26

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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.