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Finding the Fourth Proportional to 182,959.20, 274,438.80 and 89,647.20

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Solution

The fourth proportional to 182,959.20, 274,438.80 and 89,647.20 is: 134,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,959.20 : 274,438.80 = 89,647.20 : x
  2. Step 2: Convert to fraction form
    182,959.20/274,438.80 = 89,647.20/x
  3. Step 3: Cross multiply
    182,959.20x = 274,438.80 × 89,647.20
  4. Step 4: Simplify right side
    182,959.20x = 24,602,669,991.36
  5. Step 5: Solve for x
    x = 24,602,669,991.36/182,959.20
  6. Step 6: Final answer
    x = 134,470.80

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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.