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Finding the Fourth Proportional to 159,453.70, 239,180.55 and 133,404.10

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Solution

The fourth proportional to 159,453.70, 239,180.55 and 133,404.10 is: 200,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,453.70 : 239,180.55 = 133,404.10 : x
  2. Step 2: Convert to fraction form
    159,453.70/239,180.55 = 133,404.10/x
  3. Step 3: Cross multiply
    159,453.70x = 239,180.55 × 133,404.10
  4. Step 4: Simplify right side
    159,453.70x = 31,907,666,010.26
  5. Step 5: Solve for x
    x = 31,907,666,010.26/159,453.70
  6. Step 6: Final answer
    x = 200,106.15

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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.