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Finding the Fourth Proportional to 83,223.56, 124,866.79 and 49,966.83

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Solution

The fourth proportional to 83,223.56, 124,866.79 and 49,966.83 is: 74,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,223.56 : 124,866.79 = 49,966.83 : x
  2. Step 2: Convert to fraction form
    83,223.56/124,866.79 = 49,966.83/x
  3. Step 3: Cross multiply
    83,223.56x = 124,866.79 × 49,966.83
  4. Step 4: Simplify right side
    83,223.56x = 6,239,197,543.66
  5. Step 5: Solve for x
    x = 6,239,197,543.66/83,223.56
  6. Step 6: Final answer
    x = 74,969.12

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1.5x scale

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.