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Finding the Fourth Proportional to 159,749.01, 239,623.52 and 54,568.89

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Solution

The fourth proportional to 159,749.01, 239,623.52 and 54,568.89 is: 81,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,749.01 : 239,623.52 = 54,568.89 : x
  2. Step 2: Convert to fraction form
    159,749.01/239,623.52 = 54,568.89/x
  3. Step 3: Cross multiply
    159,749.01x = 239,623.52 × 54,568.89
  4. Step 4: Simplify right side
    159,749.01x = 13,075,989,231.45
  5. Step 5: Solve for x
    x = 13,075,989,231.45/159,749.01
  6. Step 6: Final answer
    x = 81,853.34

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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.