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Finding the Fourth Proportional to 44,640.96, 67,066 and 42,119.12

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Solution

The fourth proportional to 44,640.96, 67,066 and 42,119.12 is: 63,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,640.96 : 67,066 = 42,119.12 : x
  2. Step 2: Convert to fraction form
    44,640.96/67,066 = 42,119.12/x
  3. Step 3: Cross multiply
    44,640.96x = 67,066 × 42,119.12
  4. Step 4: Simplify right side
    44,640.96x = 2,824,760,901.92
  5. Step 5: Solve for x
    x = 2,824,760,901.92/44,640.96
  6. Step 6: Final answer
    x = 63,277.33

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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.