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Finding the Fourth Proportional to 80,463.53, 120,695.40 and 27,873.01

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Solution

The fourth proportional to 80,463.53, 120,695.40 and 27,873.01 is: 41,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,463.53 : 120,695.40 = 27,873.01 : x
  2. Step 2: Convert to fraction form
    80,463.53/120,695.40 = 27,873.01/x
  3. Step 3: Cross multiply
    80,463.53x = 120,695.40 × 27,873.01
  4. Step 4: Simplify right side
    80,463.53x = 3,364,144,242.02
  5. Step 5: Solve for x
    x = 3,364,144,242.02/80,463.53
  6. Step 6: Final answer
    x = 41,809.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.