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Finding the Fourth Proportional to 167,697.77, 231,401.88 and 113,368.12

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Solution

The fourth proportional to 167,697.77, 231,401.88 and 113,368.12 is: 156,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,697.77 : 231,401.88 = 113,368.12 : x
  2. Step 2: Convert to fraction form
    167,697.77/231,401.88 = 113,368.12/x
  3. Step 3: Cross multiply
    167,697.77x = 231,401.88 × 113,368.12
  4. Step 4: Simplify right side
    167,697.77x = 26,233,596,100.07
  5. Step 5: Solve for x
    x = 26,233,596,100.07/167,697.77
  6. Step 6: Final answer
    x = 156,433.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.