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Finding the Fourth Proportional to 534,208.80, 801,310.19 and 134,847.93

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Solution

The fourth proportional to 534,208.80, 801,310.19 and 134,847.93 is: 202,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,208.80 : 801,310.19 = 134,847.93 : x
  2. Step 2: Convert to fraction form
    534,208.80/801,310.19 = 134,847.93/x
  3. Step 3: Cross multiply
    534,208.80x = 801,310.19 × 134,847.93
  4. Step 4: Simplify right side
    534,208.80x = 108,055,019,735.17
  5. Step 5: Solve for x
    x = 108,055,019,735.17/534,208.80
  6. Step 6: Final answer
    x = 202,271.13

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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.