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Finding the Fourth Proportional to 272,153.25, 375,571.49 and 158,976.81

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Solution

The fourth proportional to 272,153.25, 375,571.49 and 158,976.81 is: 219,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,153.25 : 375,571.49 = 158,976.81 : x
  2. Step 2: Convert to fraction form
    272,153.25/375,571.49 = 158,976.81/x
  3. Step 3: Cross multiply
    272,153.25x = 375,571.49 × 158,976.81
  4. Step 4: Simplify right side
    272,153.25x = 59,707,156,612.26
  5. Step 5: Solve for x
    x = 59,707,156,612.26/272,153.25
  6. Step 6: Final answer
    x = 219,388.00

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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.