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Finding the Fourth Proportional to 101,482.91, 152,058.14 and 54,047.64

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Solution

The fourth proportional to 101,482.91, 152,058.14 and 54,047.64 is: 80,982.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,482.91 : 152,058.14 = 54,047.64 : x
  2. Step 2: Convert to fraction form
    101,482.91/152,058.14 = 54,047.64/x
  3. Step 3: Cross multiply
    101,482.91x = 152,058.14 × 54,047.64
  4. Step 4: Simplify right side
    101,482.91x = 8,218,383,609.79
  5. Step 5: Solve for x
    x = 8,218,383,609.79/101,482.91
  6. Step 6: Final answer
    x = 80,982.93

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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.