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Finding the Fourth Proportional to 83,320.84, 124,942.38 and 48,270.52

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Solution

The fourth proportional to 83,320.84, 124,942.38 and 48,270.52 is: 72,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,320.84 : 124,942.38 = 48,270.52 : x
  2. Step 2: Convert to fraction form
    83,320.84/124,942.38 = 48,270.52/x
  3. Step 3: Cross multiply
    83,320.84x = 124,942.38 × 48,270.52
  4. Step 4: Simplify right side
    83,320.84x = 6,031,033,652.64
  5. Step 5: Solve for x
    x = 6,031,033,652.64/83,320.84
  6. Step 6: Final answer
    x = 72,383.26

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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.