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Finding the Fourth Proportional to 247,006.86, 370,507.77 and 69,513.90

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Solution

The fourth proportional to 247,006.86, 370,507.77 and 69,513.90 is: 104,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,006.86 : 370,507.77 = 69,513.90 : x
  2. Step 2: Convert to fraction form
    247,006.86/370,507.77 = 69,513.90/x
  3. Step 3: Cross multiply
    247,006.86x = 370,507.77 × 69,513.90
  4. Step 4: Simplify right side
    247,006.86x = 25,755,440,073.00
  5. Step 5: Solve for x
    x = 25,755,440,073.00/247,006.86
  6. Step 6: Final answer
    x = 104,270.14

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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.