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Finding the Fourth Proportional to 172,179.48, 257,788.08 and 93,010.08

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Solution

The fourth proportional to 172,179.48, 257,788.08 and 93,010.08 is: 139,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,179.48 : 257,788.08 = 93,010.08 : x
  2. Step 2: Convert to fraction form
    172,179.48/257,788.08 = 93,010.08/x
  3. Step 3: Cross multiply
    172,179.48x = 257,788.08 × 93,010.08
  4. Step 4: Simplify right side
    172,179.48x = 23,976,889,943.85
  5. Step 5: Solve for x
    x = 23,976,889,943.85/172,179.48
  6. Step 6: Final answer
    x = 139,255.21

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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.