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Finding the Fourth Proportional to 68,156.32, 94,036.80 and 43,947.04

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Solution

The fourth proportional to 68,156.32, 94,036.80 and 43,947.04 is: 60,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,156.32 : 94,036.80 = 43,947.04 : x
  2. Step 2: Convert to fraction form
    68,156.32/94,036.80 = 43,947.04/x
  3. Step 3: Cross multiply
    68,156.32x = 94,036.80 × 43,947.04
  4. Step 4: Simplify right side
    68,156.32x = 4,132,639,011.07
  5. Step 5: Solve for x
    x = 4,132,639,011.07/68,156.32
  6. Step 6: Final answer
    x = 60,634.71

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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.