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Finding the Fourth Proportional to 98,375.80, 147,547.19 and 27,305.66

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Solution

The fourth proportional to 98,375.80, 147,547.19 and 27,305.66 is: 40,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,375.80 : 147,547.19 = 27,305.66 : x
  2. Step 2: Convert to fraction form
    98,375.80/147,547.19 = 27,305.66/x
  3. Step 3: Cross multiply
    98,375.80x = 147,547.19 × 27,305.66
  4. Step 4: Simplify right side
    98,375.80x = 4,028,873,404.10
  5. Step 5: Solve for x
    x = 4,028,873,404.10/98,375.80
  6. Step 6: Final answer
    x = 40,953.91

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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.