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Finding the Fourth Proportional to 199,244.40, 299,212.20 and 105,932.40

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Solution

The fourth proportional to 199,244.40, 299,212.20 and 105,932.40 is: 159,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,244.40 : 299,212.20 = 105,932.40 : x
  2. Step 2: Convert to fraction form
    199,244.40/299,212.20 = 105,932.40/x
  3. Step 3: Cross multiply
    199,244.40x = 299,212.20 × 105,932.40
  4. Step 4: Simplify right side
    199,244.40x = 31,696,266,455.28
  5. Step 5: Solve for x
    x = 31,696,266,455.28/199,244.40
  6. Step 6: Final answer
    x = 159,082.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.