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Finding the Fourth Proportional to 82,366.88, 113,663.24 and 44,640.32

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Solution

The fourth proportional to 82,366.88, 113,663.24 and 44,640.32 is: 61,601.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,366.88 : 113,663.24 = 44,640.32 : x
  2. Step 2: Convert to fraction form
    82,366.88/113,663.24 = 44,640.32/x
  3. Step 3: Cross multiply
    82,366.88x = 113,663.24 × 44,640.32
  4. Step 4: Simplify right side
    82,366.88x = 5,073,963,405.84
  5. Step 5: Solve for x
    x = 5,073,963,405.84/82,366.88
  6. Step 6: Final answer
    x = 61,601.99

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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.