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Finding the Fourth Proportional to 173,681.88, 260,386.73 and 68,579.52

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Solution

The fourth proportional to 173,681.88, 260,386.73 and 68,579.52 is: 102,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,681.88 : 260,386.73 = 68,579.52 : x
  2. Step 2: Convert to fraction form
    173,681.88/260,386.73 = 68,579.52/x
  3. Step 3: Cross multiply
    173,681.88x = 260,386.73 × 68,579.52
  4. Step 4: Simplify right side
    173,681.88x = 17,857,196,614.87
  5. Step 5: Solve for x
    x = 17,857,196,614.87/173,681.88
  6. Step 6: Final answer
    x = 102,815.54

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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.