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Finding the Fourth Proportional to 88,353, 121,927.14 and 48,609

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Solution

The fourth proportional to 88,353, 121,927.14 and 48,609 is: 67,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,353 : 121,927.14 = 48,609 : x
  2. Step 2: Convert to fraction form
    88,353/121,927.14 = 48,609/x
  3. Step 3: Cross multiply
    88,353x = 121,927.14 × 48,609
  4. Step 4: Simplify right side
    88,353x = 5,926,756,348.26
  5. Step 5: Solve for x
    x = 5,926,756,348.26/88,353
  6. Step 6: Final answer
    x = 67,080.42

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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.