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Finding the Fourth Proportional to 79,265.76, 109,397.88 and 49,060.76

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Solution

The fourth proportional to 79,265.76, 109,397.88 and 49,060.76 is: 67,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,265.76 : 109,397.88 = 49,060.76 : x
  2. Step 2: Convert to fraction form
    79,265.76/109,397.88 = 49,060.76/x
  3. Step 3: Cross multiply
    79,265.76x = 109,397.88 × 49,060.76
  4. Step 4: Simplify right side
    79,265.76x = 5,367,143,135.19
  5. Step 5: Solve for x
    x = 5,367,143,135.19/79,265.76
  6. Step 6: Final answer
    x = 67,710.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.