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Finding the Fourth Proportional to 167,226.81, 230,773.01 and 100,158.81

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Solution

The fourth proportional to 167,226.81, 230,773.01 and 100,158.81 is: 138,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,226.81 : 230,773.01 = 100,158.81 : x
  2. Step 2: Convert to fraction form
    167,226.81/230,773.01 = 100,158.81/x
  3. Step 3: Cross multiply
    167,226.81x = 230,773.01 × 100,158.81
  4. Step 4: Simplify right side
    167,226.81x = 23,113,950,061.72
  5. Step 5: Solve for x
    x = 23,113,950,061.72/167,226.81
  6. Step 6: Final answer
    x = 138,219.17

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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.