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Finding the Fourth Proportional to 247,057.17, 370,591.91 and 69,562.98

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Solution

The fourth proportional to 247,057.17, 370,591.91 and 69,562.98 is: 104,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,057.17 : 370,591.91 = 69,562.98 : x
  2. Step 2: Convert to fraction form
    247,057.17/370,591.91 = 69,562.98/x
  3. Step 3: Cross multiply
    247,057.17x = 370,591.91 × 69,562.98
  4. Step 4: Simplify right side
    247,057.17x = 25,779,477,275.68
  5. Step 5: Solve for x
    x = 25,779,477,275.68/247,057.17
  6. Step 6: Final answer
    x = 104,346.20

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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.