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Finding the Fourth Proportional to 159,671.89, 239,507.82 and 89,556.67

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Solution

The fourth proportional to 159,671.89, 239,507.82 and 89,556.67 is: 134,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,671.89 : 239,507.82 = 89,556.67 : x
  2. Step 2: Convert to fraction form
    159,671.89/239,507.82 = 89,556.67/x
  3. Step 3: Cross multiply
    159,671.89x = 239,507.82 × 89,556.67
  4. Step 4: Simplify right side
    159,671.89x = 21,449,522,798.16
  5. Step 5: Solve for x
    x = 21,449,522,798.16/159,671.89
  6. Step 6: Final answer
    x = 134,335.00

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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.