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Finding the Fourth Proportional to 80,229.64, 110,691.93 and 53,376.70

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Solution

The fourth proportional to 80,229.64, 110,691.93 and 53,376.70 is: 73,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,229.64 : 110,691.93 = 53,376.70 : x
  2. Step 2: Convert to fraction form
    80,229.64/110,691.93 = 53,376.70/x
  3. Step 3: Cross multiply
    80,229.64x = 110,691.93 × 53,376.70
  4. Step 4: Simplify right side
    80,229.64x = 5,908,369,534.51
  5. Step 5: Solve for x
    x = 5,908,369,534.51/80,229.64
  6. Step 6: Final answer
    x = 73,643.23

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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.