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Finding the Fourth Proportional to 79,282.84, 118,690.98 and 52,922.20

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Solution

The fourth proportional to 79,282.84, 118,690.98 and 52,922.20 is: 79,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.84 : 118,690.98 = 52,922.20 : x
  2. Step 2: Convert to fraction form
    79,282.84/118,690.98 = 52,922.20/x
  3. Step 3: Cross multiply
    79,282.84x = 118,690.98 × 52,922.20
  4. Step 4: Simplify right side
    79,282.84x = 6,281,387,781.76
  5. Step 5: Solve for x
    x = 6,281,387,781.76/79,282.84
  6. Step 6: Final answer
    x = 79,227.58

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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.