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Finding the Fourth Proportional to 534,700.20, 801,977.40 and 160,723.20

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Solution

The fourth proportional to 534,700.20, 801,977.40 and 160,723.20 is: 241,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,700.20 : 801,977.40 = 160,723.20 : x
  2. Step 2: Convert to fraction form
    534,700.20/801,977.40 = 160,723.20/x
  3. Step 3: Cross multiply
    534,700.20x = 801,977.40 × 160,723.20
  4. Step 4: Simplify right side
    534,700.20x = 128,896,374,055.68
  5. Step 5: Solve for x
    x = 128,896,374,055.68/534,700.20
  6. Step 6: Final answer
    x = 241,062.89

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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.