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Finding the Fourth Proportional to 175,596.30, 263,329.65 and 86,820.30

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Solution

The fourth proportional to 175,596.30, 263,329.65 and 86,820.30 is: 130,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,596.30 : 263,329.65 = 86,820.30 : x
  2. Step 2: Convert to fraction form
    175,596.30/263,329.65 = 86,820.30/x
  3. Step 3: Cross multiply
    175,596.30x = 263,329.65 × 86,820.30
  4. Step 4: Simplify right side
    175,596.30x = 22,862,359,211.90
  5. Step 5: Solve for x
    x = 22,862,359,211.90/175,596.30
  6. Step 6: Final answer
    x = 130,198.41

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1.5x scale

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.