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Finding the Fourth Proportional to 79,785.27, 110,102.76 and 45,329.76

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Solution

The fourth proportional to 79,785.27, 110,102.76 and 45,329.76 is: 62,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,785.27 : 110,102.76 = 45,329.76 : x
  2. Step 2: Convert to fraction form
    79,785.27/110,102.76 = 45,329.76/x
  3. Step 3: Cross multiply
    79,785.27x = 110,102.76 × 45,329.76
  4. Step 4: Simplify right side
    79,785.27x = 4,990,931,686.14
  5. Step 5: Solve for x
    x = 4,990,931,686.14/79,785.27
  6. Step 6: Final answer
    x = 62,554.55

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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.