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Finding the Fourth Proportional to 70,111.58, 96,752.88 and 38,279.79

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Solution

The fourth proportional to 70,111.58, 96,752.88 and 38,279.79 is: 52,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,111.58 : 96,752.88 = 38,279.79 : x
  2. Step 2: Convert to fraction form
    70,111.58/96,752.88 = 38,279.79/x
  3. Step 3: Cross multiply
    70,111.58x = 96,752.88 × 38,279.79
  4. Step 4: Simplify right side
    70,111.58x = 3,703,679,928.30
  5. Step 5: Solve for x
    x = 3,703,679,928.30/70,111.58
  6. Step 6: Final answer
    x = 52,825.51

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