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Finding the Fourth Proportional to 83,220.93, 114,835.95 and 49,230.72

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Solution

The fourth proportional to 83,220.93, 114,835.95 and 49,230.72 is: 67,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,220.93 : 114,835.95 = 49,230.72 : x
  2. Step 2: Convert to fraction form
    83,220.93/114,835.95 = 49,230.72/x
  3. Step 3: Cross multiply
    83,220.93x = 114,835.95 × 49,230.72
  4. Step 4: Simplify right side
    83,220.93x = 5,653,456,500.38
  5. Step 5: Solve for x
    x = 5,653,456,500.38/83,220.93
  6. Step 6: Final answer
    x = 67,933.11

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1.5x scale

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.