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Finding the Fourth Proportional to 515,093.20, 772,697.40 and 160,104.40

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Solution

The fourth proportional to 515,093.20, 772,697.40 and 160,104.40 is: 240,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,093.20 : 772,697.40 = 160,104.40 : x
  2. Step 2: Convert to fraction form
    515,093.20/772,697.40 = 160,104.40/x
  3. Step 3: Cross multiply
    515,093.20x = 772,697.40 × 160,104.40
  4. Step 4: Simplify right side
    515,093.20x = 123,712,253,608.56
  5. Step 5: Solve for x
    x = 123,712,253,608.56/515,093.20
  6. Step 6: Final answer
    x = 240,174.50

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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.