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Finding the Fourth Proportional to 342,228.00, 513,302.77 and 89,532.87

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Solution

The fourth proportional to 342,228.00, 513,302.77 and 89,532.87 is: 134,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,228.00 : 513,302.77 = 89,532.87 : x
  2. Step 2: Convert to fraction form
    342,228.00/513,302.77 = 89,532.87/x
  3. Step 3: Cross multiply
    342,228.00x = 513,302.77 × 89,532.87
  4. Step 4: Simplify right side
    342,228.00x = 45,957,470,288.97
  5. Step 5: Solve for x
    x = 45,957,470,288.97/342,228.00
  6. Step 6: Final answer
    x = 134,289.04

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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.