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Finding the Fourth Proportional to 73,854.67, 110,818.14 and 45,767.20

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Solution

The fourth proportional to 73,854.67, 110,818.14 and 45,767.20 is: 68,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,854.67 : 110,818.14 = 45,767.20 : x
  2. Step 2: Convert to fraction form
    73,854.67/110,818.14 = 45,767.20/x
  3. Step 3: Cross multiply
    73,854.67x = 110,818.14 × 45,767.20
  4. Step 4: Simplify right side
    73,854.67x = 5,071,835,977.01
  5. Step 5: Solve for x
    x = 5,071,835,977.01/73,854.67
  6. Step 6: Final answer
    x = 68,673.19

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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.