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Finding the Fourth Proportional to 70,752.56, 97,583.18 and 43,879.88

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Solution

The fourth proportional to 70,752.56, 97,583.18 and 43,879.88 is: 60,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,752.56 : 97,583.18 = 43,879.88 : x
  2. Step 2: Convert to fraction form
    70,752.56/97,583.18 = 43,879.88/x
  3. Step 3: Cross multiply
    70,752.56x = 97,583.18 × 43,879.88
  4. Step 4: Simplify right side
    70,752.56x = 4,281,938,228.42
  5. Step 5: Solve for x
    x = 4,281,938,228.42/70,752.56
  6. Step 6: Final answer
    x = 60,519.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.