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Finding the Fourth Proportional to 58,912.92, 87,703.10 and 58,562.66

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Solution

The fourth proportional to 58,912.92, 87,703.10 and 58,562.66 is: 87,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,912.92 : 87,703.10 = 58,562.66 : x
  2. Step 2: Convert to fraction form
    58,912.92/87,703.10 = 58,562.66/x
  3. Step 3: Cross multiply
    58,912.92x = 87,703.10 × 58,562.66
  4. Step 4: Simplify right side
    58,912.92x = 5,136,126,931.72
  5. Step 5: Solve for x
    x = 5,136,126,931.72/58,912.92
  6. Step 6: Final answer
    x = 87,181.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.