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Finding the Fourth Proportional to 342,580.52, 513,858.46 and 89,858.98

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Solution

The fourth proportional to 342,580.52, 513,858.46 and 89,858.98 is: 134,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,580.52 : 513,858.46 = 89,858.98 : x
  2. Step 2: Convert to fraction form
    342,580.52/513,858.46 = 89,858.98/x
  3. Step 3: Cross multiply
    342,580.52x = 513,858.46 × 89,858.98
  4. Step 4: Simplify right side
    342,580.52x = 46,174,797,079.97
  5. Step 5: Solve for x
    x = 46,174,797,079.97/342,580.52
  6. Step 6: Final answer
    x = 134,785.24

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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.