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Finding the Fourth Proportional to 71,054.12, 106,581.18 and 44,693.48

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Solution

The fourth proportional to 71,054.12, 106,581.18 and 44,693.48 is: 67,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,054.12 : 106,581.18 = 44,693.48 : x
  2. Step 2: Convert to fraction form
    71,054.12/106,581.18 = 44,693.48/x
  3. Step 3: Cross multiply
    71,054.12x = 106,581.18 × 44,693.48
  4. Step 4: Simplify right side
    71,054.12x = 4,763,483,836.71
  5. Step 5: Solve for x
    x = 4,763,483,836.71/71,054.12
  6. Step 6: Final answer
    x = 67,040.22

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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.