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Finding the Fourth Proportional to 337,028.76, 505,543.08 and 87,710.76

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Solution

The fourth proportional to 337,028.76, 505,543.08 and 87,710.76 is: 131,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,028.76 : 505,543.08 = 87,710.76 : x
  2. Step 2: Convert to fraction form
    337,028.76/505,543.08 = 87,710.76/x
  3. Step 3: Cross multiply
    337,028.76x = 505,543.08 × 87,710.76
  4. Step 4: Simplify right side
    337,028.76x = 44,341,567,759.54
  5. Step 5: Solve for x
    x = 44,341,567,759.54/337,028.76
  6. Step 6: Final answer
    x = 131,566.12

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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.