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Finding the Fourth Proportional to 70,737.60, 106,169.74 and 63,229.21

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Solution

The fourth proportional to 70,737.60, 106,169.74 and 63,229.21 is: 94,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,737.60 : 106,169.74 = 63,229.21 : x
  2. Step 2: Convert to fraction form
    70,737.60/106,169.74 = 63,229.21/x
  3. Step 3: Cross multiply
    70,737.60x = 106,169.74 × 63,229.21
  4. Step 4: Simplify right side
    70,737.60x = 6,713,028,362.61
  5. Step 5: Solve for x
    x = 6,713,028,362.61/70,737.60
  6. Step 6: Final answer
    x = 94,900.42

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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.