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Finding the Fourth Proportional to 247,281.84, 370,947.16 and 69,790.38

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Solution

The fourth proportional to 247,281.84, 370,947.16 and 69,790.38 is: 104,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,281.84 : 370,947.16 = 69,790.38 : x
  2. Step 2: Convert to fraction form
    247,281.84/370,947.16 = 69,790.38/x
  3. Step 3: Cross multiply
    247,281.84x = 370,947.16 × 69,790.38
  4. Step 4: Simplify right side
    247,281.84x = 25,888,543,256.32
  5. Step 5: Solve for x
    x = 25,888,543,256.32/247,281.84
  6. Step 6: Final answer
    x = 104,692.46

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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.