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Finding the Fourth Proportional to 111,470.76, 167,237.12 and 44,895.28

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Solution

The fourth proportional to 111,470.76, 167,237.12 and 44,895.28 is: 67,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,470.76 : 167,237.12 = 44,895.28 : x
  2. Step 2: Convert to fraction form
    111,470.76/167,237.12 = 44,895.28/x
  3. Step 3: Cross multiply
    111,470.76x = 167,237.12 × 44,895.28
  4. Step 4: Simplify right side
    111,470.76x = 7,508,157,328.79
  5. Step 5: Solve for x
    x = 7,508,157,328.79/111,470.76
  6. Step 6: Final answer
    x = 67,355.40

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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.