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Finding the Fourth Proportional to 173,103, 238,882.86 and 93,615

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Solution

The fourth proportional to 173,103, 238,882.86 and 93,615 is: 129,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,103 : 238,882.86 = 93,615 : x
  2. Step 2: Convert to fraction form
    173,103/238,882.86 = 93,615/x
  3. Step 3: Cross multiply
    173,103x = 238,882.86 × 93,615
  4. Step 4: Simplify right side
    173,103x = 22,363,018,938.90
  5. Step 5: Solve for x
    x = 22,363,018,938.90/173,103
  6. Step 6: Final answer
    x = 129,189.09

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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.