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Finding the Fourth Proportional to 264,899.54, 397,135.35 and 87,295.70

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Solution

The fourth proportional to 264,899.54, 397,135.35 and 87,295.70 is: 130,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,899.54 : 397,135.35 = 87,295.70 : x
  2. Step 2: Convert to fraction form
    264,899.54/397,135.35 = 87,295.70/x
  3. Step 3: Cross multiply
    264,899.54x = 397,135.35 × 87,295.70
  4. Step 4: Simplify right side
    264,899.54x = 34,668,208,373.00
  5. Step 5: Solve for x
    x = 34,668,208,373.00/264,899.54
  6. Step 6: Final answer
    x = 130,873.04

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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.