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Finding the Fourth Proportional to 73,614.75, 101,588.49 and 40,080.75

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Solution

The fourth proportional to 73,614.75, 101,588.49 and 40,080.75 is: 55,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,614.75 : 101,588.49 = 40,080.75 : x
  2. Step 2: Convert to fraction form
    73,614.75/101,588.49 = 40,080.75/x
  3. Step 3: Cross multiply
    73,614.75x = 101,588.49 × 40,080.75
  4. Step 4: Simplify right side
    73,614.75x = 4,071,742,870.57
  5. Step 5: Solve for x
    x = 4,071,742,870.57/73,614.75
  6. Step 6: Final answer
    x = 55,311.51

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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.