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Finding the Fourth Proportional to 159,586.80, 239,380.20 and 97,378.80

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Solution

The fourth proportional to 159,586.80, 239,380.20 and 97,378.80 is: 146,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,586.80 : 239,380.20 = 97,378.80 : x
  2. Step 2: Convert to fraction form
    159,586.80/239,380.20 = 97,378.80/x
  3. Step 3: Cross multiply
    159,586.80x = 239,380.20 × 97,378.80
  4. Step 4: Simplify right side
    159,586.80x = 23,310,556,619.76
  5. Step 5: Solve for x
    x = 23,310,556,619.76/159,586.80
  6. Step 6: Final answer
    x = 146,068.20

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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.