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Finding the Fourth Proportional to 159,301.38, 238,946.38 and 69,343.94

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Solution

The fourth proportional to 159,301.38, 238,946.38 and 69,343.94 is: 104,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,301.38 : 238,946.38 = 69,343.94 : x
  2. Step 2: Convert to fraction form
    159,301.38/238,946.38 = 69,343.94/x
  3. Step 3: Cross multiply
    159,301.38x = 238,946.38 × 69,343.94
  4. Step 4: Simplify right side
    159,301.38x = 16,569,483,437.94
  5. Step 5: Solve for x
    x = 16,569,483,437.94/159,301.38
  6. Step 6: Final answer
    x = 104,013.43

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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.