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Finding the Fourth Proportional to 160,984.60, 241,707.30 and 91,000.60

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Solution

The fourth proportional to 160,984.60, 241,707.30 and 91,000.60 is: 136,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,984.60 : 241,707.30 = 91,000.60 : x
  2. Step 2: Convert to fraction form
    160,984.60/241,707.30 = 91,000.60/x
  3. Step 3: Cross multiply
    160,984.60x = 241,707.30 × 91,000.60
  4. Step 4: Simplify right side
    160,984.60x = 21,995,509,324.38
  5. Step 5: Solve for x
    x = 21,995,509,324.38/160,984.60
  6. Step 6: Final answer
    x = 136,631.14

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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.