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Finding the Fourth Proportional to 69,167.61, 95,425.66 and 45,307.44

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Solution

The fourth proportional to 69,167.61, 95,425.66 and 45,307.44 is: 62,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,167.61 : 95,425.66 = 45,307.44 : x
  2. Step 2: Convert to fraction form
    69,167.61/95,425.66 = 45,307.44/x
  3. Step 3: Cross multiply
    69,167.61x = 95,425.66 × 45,307.44
  4. Step 4: Simplify right side
    69,167.61x = 4,323,492,364.91
  5. Step 5: Solve for x
    x = 4,323,492,364.91/69,167.61
  6. Step 6: Final answer
    x = 62,507.47

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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.