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Finding the Fourth Proportional to 82,019.52, 122,924.16 and 44,596.80

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Solution

The fourth proportional to 82,019.52, 122,924.16 and 44,596.80 is: 66,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,019.52 : 122,924.16 = 44,596.80 : x
  2. Step 2: Convert to fraction form
    82,019.52/122,924.16 = 44,596.80/x
  3. Step 3: Cross multiply
    82,019.52x = 122,924.16 × 44,596.80
  4. Step 4: Simplify right side
    82,019.52x = 5,482,024,178.69
  5. Step 5: Solve for x
    x = 5,482,024,178.69/82,019.52
  6. Step 6: Final answer
    x = 66,838.04

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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.