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Finding the Fourth Proportional to 367,172.16, 550,764.32 and 100,931.04

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Solution

The fourth proportional to 367,172.16, 550,764.32 and 100,931.04 is: 151,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,172.16 : 550,764.32 = 100,931.04 : x
  2. Step 2: Convert to fraction form
    367,172.16/550,764.32 = 100,931.04/x
  3. Step 3: Cross multiply
    367,172.16x = 550,764.32 × 100,931.04
  4. Step 4: Simplify right side
    367,172.16x = 55,589,215,612.49
  5. Step 5: Solve for x
    x = 55,589,215,612.49/367,172.16
  6. Step 6: Final answer
    x = 151,398.23

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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.