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Finding the Fourth Proportional to 160,661.32, 240,936.37 and 65,864.59

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Solution

The fourth proportional to 160,661.32, 240,936.37 and 65,864.59 is: 98,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,661.32 : 240,936.37 = 65,864.59 : x
  2. Step 2: Convert to fraction form
    160,661.32/240,936.37 = 65,864.59/x
  3. Step 3: Cross multiply
    160,661.32x = 240,936.37 × 65,864.59
  4. Step 4: Simplify right side
    160,661.32x = 15,869,175,226.14
  5. Step 5: Solve for x
    x = 15,869,175,226.14/160,661.32
  6. Step 6: Final answer
    x = 98,774.09

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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.