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Finding the Fourth Proportional to 172,501.92, 258,671.01 and 60,168.48

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Solution

The fourth proportional to 172,501.92, 258,671.01 and 60,168.48 is: 90,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,501.92 : 258,671.01 = 60,168.48 : x
  2. Step 2: Convert to fraction form
    172,501.92/258,671.01 = 60,168.48/x
  3. Step 3: Cross multiply
    172,501.92x = 258,671.01 × 60,168.48
  4. Step 4: Simplify right side
    172,501.92x = 15,563,841,491.76
  5. Step 5: Solve for x
    x = 15,563,841,491.76/172,501.92
  6. Step 6: Final answer
    x = 90,224.17

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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.