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Finding the Fourth Proportional to 247,530.06, 371,169.54 and 120,981.06

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Solution

The fourth proportional to 247,530.06, 371,169.54 and 120,981.06 is: 181,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,530.06 : 371,169.54 = 120,981.06 : x
  2. Step 2: Convert to fraction form
    247,530.06/371,169.54 = 120,981.06/x
  3. Step 3: Cross multiply
    247,530.06x = 371,169.54 × 120,981.06
  4. Step 4: Simplify right side
    247,530.06x = 44,904,484,388.91
  5. Step 5: Solve for x
    x = 44,904,484,388.91/247,530.06
  6. Step 6: Final answer
    x = 181,410.23

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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.