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Finding the Fourth Proportional to 95,659.65, 143,489.61 and 45,728.01

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Solution

The fourth proportional to 95,659.65, 143,489.61 and 45,728.01 is: 68,592.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,659.65 : 143,489.61 = 45,728.01 : x
  2. Step 2: Convert to fraction form
    95,659.65/143,489.61 = 45,728.01/x
  3. Step 3: Cross multiply
    95,659.65x = 143,489.61 × 45,728.01
  4. Step 4: Simplify right side
    95,659.65x = 6,561,494,320.98
  5. Step 5: Solve for x
    x = 6,561,494,320.98/95,659.65
  6. Step 6: Final answer
    x = 68,592.08

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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.