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Finding the Fourth Proportional to 281,882.91, 422,916.53 and 104,402.91

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Solution

The fourth proportional to 281,882.91, 422,916.53 and 104,402.91 is: 156,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,882.91 : 422,916.53 = 104,402.91 : x
  2. Step 2: Convert to fraction form
    281,882.91/422,916.53 = 104,402.91/x
  3. Step 3: Cross multiply
    281,882.91x = 422,916.53 × 104,402.91
  4. Step 4: Simplify right side
    281,882.91x = 44,153,715,897.09
  5. Step 5: Solve for x
    x = 44,153,715,897.09/281,882.91
  6. Step 6: Final answer
    x = 156,638.50

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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.