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Finding the Fourth Proportional to 534,209.80, 801,311.68 and 134,848.93

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Solution

The fourth proportional to 534,209.80, 801,311.68 and 134,848.93 is: 202,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,209.80 : 801,311.68 = 134,848.93 : x
  2. Step 2: Convert to fraction form
    534,209.80/801,311.68 = 134,848.93/x
  3. Step 3: Cross multiply
    534,209.80x = 801,311.68 × 134,848.93
  4. Step 4: Simplify right side
    534,209.80x = 108,056,022,644.50
  5. Step 5: Solve for x
    x = 108,056,022,644.50/534,209.80
  6. Step 6: Final answer
    x = 202,272.63

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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.