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Finding the Fourth Proportional to 247,728.75, 371,591.58 and 70,235.76

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Solution

The fourth proportional to 247,728.75, 371,591.58 and 70,235.76 is: 105,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,728.75 : 371,591.58 = 70,235.76 : x
  2. Step 2: Convert to fraction form
    247,728.75/371,591.58 = 70,235.76/x
  3. Step 3: Cross multiply
    247,728.75x = 371,591.58 × 70,235.76
  4. Step 4: Simplify right side
    247,728.75x = 26,099,017,030.90
  5. Step 5: Solve for x
    x = 26,099,017,030.90/247,728.75
  6. Step 6: Final answer
    x = 105,353.20

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1.5x scale

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.