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Finding the Fourth Proportional to 337,021.92, 505,499.28 and 87,703.92

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Solution

The fourth proportional to 337,021.92, 505,499.28 and 87,703.92 is: 131,547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,021.92 : 505,499.28 = 87,703.92 : x
  2. Step 2: Convert to fraction form
    337,021.92/505,499.28 = 87,703.92/x
  3. Step 3: Cross multiply
    337,021.92x = 505,499.28 × 87,703.92
  4. Step 4: Simplify right side
    337,021.92x = 44,334,268,413.18
  5. Step 5: Solve for x
    x = 44,334,268,413.18/337,021.92
  6. Step 6: Final answer
    x = 131,547.14

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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.