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Finding the Fourth Proportional to 82,956.60, 114,479.82 and 45,230.85

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Solution

The fourth proportional to 82,956.60, 114,479.82 and 45,230.85 is: 62,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,956.60 : 114,479.82 = 45,230.85 : x
  2. Step 2: Convert to fraction form
    82,956.60/114,479.82 = 45,230.85/x
  3. Step 3: Cross multiply
    82,956.60x = 114,479.82 × 45,230.85
  4. Step 4: Simplify right side
    82,956.60x = 5,178,019,566.45
  5. Step 5: Solve for x
    x = 5,178,019,566.45/82,956.60
  6. Step 6: Final answer
    x = 62,418.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.