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Finding the Fourth Proportional to 135,043.86, 202,565.88 and 35,203.80

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Solution

The fourth proportional to 135,043.86, 202,565.88 and 35,203.80 is: 52,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,043.86 : 202,565.88 = 35,203.80 : x
  2. Step 2: Convert to fraction form
    135,043.86/202,565.88 = 35,203.80/x
  3. Step 3: Cross multiply
    135,043.86x = 202,565.88 × 35,203.80
  4. Step 4: Simplify right side
    135,043.86x = 7,131,088,726.34
  5. Step 5: Solve for x
    x = 7,131,088,726.34/135,043.86
  6. Step 6: Final answer
    x = 52,805.72

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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.