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Finding the Fourth Proportional to 82,639.53, 114,041.97 and 44,913.78

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Solution

The fourth proportional to 82,639.53, 114,041.97 and 44,913.78 is: 61,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,639.53 : 114,041.97 = 44,913.78 : x
  2. Step 2: Convert to fraction form
    82,639.53/114,041.97 = 44,913.78/x
  3. Step 3: Cross multiply
    82,639.53x = 114,041.97 × 44,913.78
  4. Step 4: Simplify right side
    82,639.53x = 5,122,055,951.35
  5. Step 5: Solve for x
    x = 5,122,055,951.35/82,639.53
  6. Step 6: Final answer
    x = 61,980.70

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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.