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Finding the Fourth Proportional to 70,535.57, 105,680.31 and 58,764.96

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Solution

The fourth proportional to 70,535.57, 105,680.31 and 58,764.96 is: 88,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,535.57 : 105,680.31 = 58,764.96 : x
  2. Step 2: Convert to fraction form
    70,535.57/105,680.31 = 58,764.96/x
  3. Step 3: Cross multiply
    70,535.57x = 105,680.31 × 58,764.96
  4. Step 4: Simplify right side
    70,535.57x = 6,210,299,189.94
  5. Step 5: Solve for x
    x = 6,210,299,189.94/70,535.57
  6. Step 6: Final answer
    x = 88,044.93

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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.