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Finding the Fourth Proportional to 83,323.93, 124,983.08 and 33,390.62

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Solution

The fourth proportional to 83,323.93, 124,983.08 and 33,390.62 is: 50,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,323.93 : 124,983.08 = 33,390.62 : x
  2. Step 2: Convert to fraction form
    83,323.93/124,983.08 = 33,390.62/x
  3. Step 3: Cross multiply
    83,323.93x = 124,983.08 × 33,390.62
  4. Step 4: Simplify right side
    83,323.93x = 4,173,262,530.71
  5. Step 5: Solve for x
    x = 4,173,262,530.71/83,323.93
  6. Step 6: Final answer
    x = 50,084.80

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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.