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Finding the Fourth Proportional to 66,547.52, 99,837.12 and 22,174.56

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Solution

The fourth proportional to 66,547.52, 99,837.12 and 22,174.56 is: 33,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,547.52 : 99,837.12 = 22,174.56 : x
  2. Step 2: Convert to fraction form
    66,547.52/99,837.12 = 22,174.56/x
  3. Step 3: Cross multiply
    66,547.52x = 99,837.12 × 22,174.56
  4. Step 4: Simplify right side
    66,547.52x = 2,213,844,207.67
  5. Step 5: Solve for x
    x = 2,213,844,207.67/66,547.52
  6. Step 6: Final answer
    x = 33,267.12

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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.