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Finding the Fourth Proportional to 175,672.70, 263,681.85 and 87,026.30

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Solution

The fourth proportional to 175,672.70, 263,681.85 and 87,026.30 is: 130,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,672.70 : 263,681.85 = 87,026.30 : x
  2. Step 2: Convert to fraction form
    175,672.70/263,681.85 = 87,026.30/x
  3. Step 3: Cross multiply
    175,672.70x = 263,681.85 × 87,026.30
  4. Step 4: Simplify right side
    175,672.70x = 22,947,255,782.66
  5. Step 5: Solve for x
    x = 22,947,255,782.66/175,672.70
  6. Step 6: Final answer
    x = 130,625.05

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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.