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Finding the Fourth Proportional to 83,465.76, 125,203.92 and 33,539.16

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Solution

The fourth proportional to 83,465.76, 125,203.92 and 33,539.16 is: 50,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,465.76 : 125,203.92 = 33,539.16 : x
  2. Step 2: Convert to fraction form
    83,465.76/125,203.92 = 33,539.16/x
  3. Step 3: Cross multiply
    83,465.76x = 125,203.92 × 33,539.16
  4. Step 4: Simplify right side
    83,465.76x = 4,199,234,305.51
  5. Step 5: Solve for x
    x = 4,199,234,305.51/83,465.76
  6. Step 6: Final answer
    x = 50,310.86

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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.