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Finding the Fourth Proportional to 121,885.65, 182,755.58 and 62,836.65

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Solution

The fourth proportional to 121,885.65, 182,755.58 and 62,836.65 is: 94,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,885.65 : 182,755.58 = 62,836.65 : x
  2. Step 2: Convert to fraction form
    121,885.65/182,755.58 = 62,836.65/x
  3. Step 3: Cross multiply
    121,885.65x = 182,755.58 × 62,836.65
  4. Step 4: Simplify right side
    121,885.65x = 11,483,748,101.82
  5. Step 5: Solve for x
    x = 11,483,748,101.82/121,885.65
  6. Step 6: Final answer
    x = 94,217.39

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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.