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Finding the Fourth Proportional to 159,885.59, 239,744.07 and 141,674.20

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Solution

The fourth proportional to 159,885.59, 239,744.07 and 141,674.20 is: 212,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,885.59 : 239,744.07 = 141,674.20 : x
  2. Step 2: Convert to fraction form
    159,885.59/239,744.07 = 141,674.20/x
  3. Step 3: Cross multiply
    159,885.59x = 239,744.07 × 141,674.20
  4. Step 4: Simplify right side
    159,885.59x = 33,965,549,136.37
  5. Step 5: Solve for x
    x = 33,965,549,136.37/159,885.59
  6. Step 6: Final answer
    x = 212,436.59

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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.