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Finding the Fourth Proportional to 167,341.66, 230,933.48 and 90,861.67

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Solution

The fourth proportional to 167,341.66, 230,933.48 and 90,861.67 is: 125,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,341.66 : 230,933.48 = 90,861.67 : x
  2. Step 2: Convert to fraction form
    167,341.66/230,933.48 = 90,861.67/x
  3. Step 3: Cross multiply
    167,341.66x = 230,933.48 × 90,861.67
  4. Step 4: Simplify right side
    167,341.66x = 20,983,001,651.71
  5. Step 5: Solve for x
    x = 20,983,001,651.71/167,341.66
  6. Step 6: Final answer
    x = 125,390.18

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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.