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Finding the Fourth Proportional to 161,256.96, 241,934.40 and 65,144.88

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Solution

The fourth proportional to 161,256.96, 241,934.40 and 65,144.88 is: 97,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,256.96 : 241,934.40 = 65,144.88 : x
  2. Step 2: Convert to fraction form
    161,256.96/241,934.40 = 65,144.88/x
  3. Step 3: Cross multiply
    161,256.96x = 241,934.40 × 65,144.88
  4. Step 4: Simplify right side
    161,256.96x = 15,760,787,455.87
  5. Step 5: Solve for x
    x = 15,760,787,455.87/161,256.96
  6. Step 6: Final answer
    x = 97,737.10

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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.