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Finding the Fourth Proportional to 229,617.99, 316,770.55 and 134,082.54

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Solution

The fourth proportional to 229,617.99, 316,770.55 and 134,082.54 is: 184,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,617.99 : 316,770.55 = 134,082.54 : x
  2. Step 2: Convert to fraction form
    229,617.99/316,770.55 = 134,082.54/x
  3. Step 3: Cross multiply
    229,617.99x = 316,770.55 × 134,082.54
  4. Step 4: Simplify right side
    229,617.99x = 42,473,399,605.99
  5. Step 5: Solve for x
    x = 42,473,399,605.99/229,617.99
  6. Step 6: Final answer
    x = 184,974.18

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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.