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Finding the Fourth Proportional to 167,441.60, 231,058.88 and 154,066.88

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Solution

The fourth proportional to 167,441.60, 231,058.88 and 154,066.88 is: 212,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,441.60 : 231,058.88 = 154,066.88 : x
  2. Step 2: Convert to fraction form
    167,441.60/231,058.88 = 154,066.88/x
  3. Step 3: Cross multiply
    167,441.60x = 231,058.88 × 154,066.88
  4. Step 4: Simplify right side
    167,441.60x = 35,598,520,737.89
  5. Step 5: Solve for x
    x = 35,598,520,737.89/167,441.60
  6. Step 6: Final answer
    x = 212,602.61

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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.