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Finding the Fourth Proportional to 269,547.56, 404,278.47 and 89,618.03

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Solution

The fourth proportional to 269,547.56, 404,278.47 and 89,618.03 is: 134,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,547.56 : 404,278.47 = 89,618.03 : x
  2. Step 2: Convert to fraction form
    269,547.56/404,278.47 = 89,618.03/x
  3. Step 3: Cross multiply
    269,547.56x = 404,278.47 × 89,618.03
  4. Step 4: Simplify right side
    269,547.56x = 36,230,638,031.42
  5. Step 5: Solve for x
    x = 36,230,638,031.42/269,547.56
  6. Step 6: Final answer
    x = 134,412.79

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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.