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Finding the Fourth Proportional to 272,168.91, 375,571.83 and 151,302.84

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Solution

The fourth proportional to 272,168.91, 375,571.83 and 151,302.84 is: 208,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,168.91 : 375,571.83 = 151,302.84 : x
  2. Step 2: Convert to fraction form
    272,168.91/375,571.83 = 151,302.84/x
  3. Step 3: Cross multiply
    272,168.91x = 375,571.83 × 151,302.84
  4. Step 4: Simplify right side
    272,168.91x = 56,825,084,503.00
  5. Step 5: Solve for x
    x = 56,825,084,503.00/272,168.91
  6. Step 6: Final answer
    x = 208,786.10

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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.