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Finding the Fourth Proportional to 78,754.92, 108,677.84 and 44,758.91

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Solution

The fourth proportional to 78,754.92, 108,677.84 and 44,758.91 is: 61,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,754.92 : 108,677.84 = 44,758.91 : x
  2. Step 2: Convert to fraction form
    78,754.92/108,677.84 = 44,758.91/x
  3. Step 3: Cross multiply
    78,754.92x = 108,677.84 × 44,758.91
  4. Step 4: Simplify right side
    78,754.92x = 4,864,301,959.22
  5. Step 5: Solve for x
    x = 4,864,301,959.22/78,754.92
  6. Step 6: Final answer
    x = 61,765.06

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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.