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Finding the Fourth Proportional to 160,732.67, 240,865.72 and 90,461.93

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Solution

The fourth proportional to 160,732.67, 240,865.72 and 90,461.93 is: 135,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,732.67 : 240,865.72 = 90,461.93 : x
  2. Step 2: Convert to fraction form
    160,732.67/240,865.72 = 90,461.93/x
  3. Step 3: Cross multiply
    160,732.67x = 240,865.72 × 90,461.93
  4. Step 4: Simplify right side
    160,732.67x = 21,789,177,902.04
  5. Step 5: Solve for x
    x = 21,789,177,902.04/160,732.67
  6. Step 6: Final answer
    x = 135,561.60

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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.