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Finding the Fourth Proportional to 160,984.67, 240,912.02 and 129,316.91

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Solution

The fourth proportional to 160,984.67, 240,912.02 and 129,316.91 is: 193,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,984.67 : 240,912.02 = 129,316.91 : x
  2. Step 2: Convert to fraction form
    160,984.67/240,912.02 = 129,316.91/x
  3. Step 3: Cross multiply
    160,984.67x = 240,912.02 × 129,316.91
  4. Step 4: Simplify right side
    160,984.67x = 31,153,997,126.99
  5. Step 5: Solve for x
    x = 31,153,997,126.99/160,984.67
  6. Step 6: Final answer
    x = 193,521.52

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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.