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Finding the Fourth Proportional to 161,131.80, 241,697.70 and 101,256.60

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Solution

The fourth proportional to 161,131.80, 241,697.70 and 101,256.60 is: 151,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,131.80 : 241,697.70 = 101,256.60 : x
  2. Step 2: Convert to fraction form
    161,131.80/241,697.70 = 101,256.60/x
  3. Step 3: Cross multiply
    161,131.80x = 241,697.70 × 101,256.60
  4. Step 4: Simplify right side
    161,131.80x = 24,473,487,329.82
  5. Step 5: Solve for x
    x = 24,473,487,329.82/161,131.80
  6. Step 6: Final answer
    x = 151,884.90

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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.