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Finding the Fourth Proportional to 167,695.77, 231,399.12 and 113,366.12

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Solution

The fourth proportional to 167,695.77, 231,399.12 and 113,366.12 is: 156,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,695.77 : 231,399.12 = 113,366.12 : x
  2. Step 2: Convert to fraction form
    167,695.77/231,399.12 = 113,366.12/x
  3. Step 3: Cross multiply
    167,695.77x = 231,399.12 × 113,366.12
  4. Step 4: Simplify right side
    167,695.77x = 26,232,819,248.82
  5. Step 5: Solve for x
    x = 26,232,819,248.82/167,695.77
  6. Step 6: Final answer
    x = 156,431.01

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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.