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Finding the Fourth Proportional to 247,686.72, 371,525.76 and 60,699.84

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Solution

The fourth proportional to 247,686.72, 371,525.76 and 60,699.84 is: 91,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,686.72 : 371,525.76 = 60,699.84 : x
  2. Step 2: Convert to fraction form
    247,686.72/371,525.76 = 60,699.84/x
  3. Step 3: Cross multiply
    247,686.72x = 371,525.76 × 60,699.84
  4. Step 4: Simplify right side
    247,686.72x = 22,551,554,187.88
  5. Step 5: Solve for x
    x = 22,551,554,187.88/247,686.72
  6. Step 6: Final answer
    x = 91,048.70

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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.