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Finding the Fourth Proportional to 377,736.32, 566,472.42 and 111,426.12

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Solution

The fourth proportional to 377,736.32, 566,472.42 and 111,426.12 is: 167,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,736.32 : 566,472.42 = 111,426.12 : x
  2. Step 2: Convert to fraction form
    377,736.32/566,472.42 = 111,426.12/x
  3. Step 3: Cross multiply
    377,736.32x = 566,472.42 × 111,426.12
  4. Step 4: Simplify right side
    377,736.32x = 63,119,823,847.61
  5. Step 5: Solve for x
    x = 63,119,823,847.61/377,736.32
  6. Step 6: Final answer
    x = 167,100.22

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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.