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Finding the Fourth Proportional to 83,416.87, 125,124.31 and 33,496.08

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Solution

The fourth proportional to 83,416.87, 125,124.31 and 33,496.08 is: 50,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,416.87 : 125,124.31 = 33,496.08 : x
  2. Step 2: Convert to fraction form
    83,416.87/125,124.31 = 33,496.08/x
  3. Step 3: Cross multiply
    83,416.87x = 125,124.31 × 33,496.08
  4. Step 4: Simplify right side
    83,416.87x = 4,191,173,897.70
  5. Step 5: Solve for x
    x = 4,191,173,897.70/83,416.87
  6. Step 6: Final answer
    x = 50,243.72

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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.