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Finding the Fourth Proportional to 247,237.26, 370,870.65 and 69,759.42

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Solution

The fourth proportional to 247,237.26, 370,870.65 and 69,759.42 is: 104,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,237.26 : 370,870.65 = 69,759.42 : x
  2. Step 2: Convert to fraction form
    247,237.26/370,870.65 = 69,759.42/x
  3. Step 3: Cross multiply
    247,237.26x = 370,870.65 × 69,759.42
  4. Step 4: Simplify right side
    247,237.26x = 25,871,721,439.02
  5. Step 5: Solve for x
    x = 25,871,721,439.02/247,237.26
  6. Step 6: Final answer
    x = 104,643.29

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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.