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Finding the Fourth Proportional to 272,162.25, 375,596.72 and 151,305.56

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Solution

The fourth proportional to 272,162.25, 375,596.72 and 151,305.56 is: 208,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,162.25 : 375,596.72 = 151,305.56 : x
  2. Step 2: Convert to fraction form
    272,162.25/375,596.72 = 151,305.56/x
  3. Step 3: Cross multiply
    272,162.25x = 375,596.72 × 151,305.56
  4. Step 4: Simplify right side
    272,162.25x = 56,829,869,419.25
  5. Step 5: Solve for x
    x = 56,829,869,419.25/272,162.25
  6. Step 6: Final answer
    x = 208,808.79

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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.