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Finding the Fourth Proportional to 159,469.16, 239,170.86 and 70,666.02

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Solution

The fourth proportional to 159,469.16, 239,170.86 and 70,666.02 is: 105,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,469.16 : 239,170.86 = 70,666.02 : x
  2. Step 2: Convert to fraction form
    159,469.16/239,170.86 = 70,666.02/x
  3. Step 3: Cross multiply
    159,469.16x = 239,170.86 × 70,666.02
  4. Step 4: Simplify right side
    159,469.16x = 16,901,252,776.18
  5. Step 5: Solve for x
    x = 16,901,252,776.18/159,469.16
  6. Step 6: Final answer
    x = 105,984.46

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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.