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Finding the Fourth Proportional to 272,456.46, 375,991.74 and 151,602.84

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Solution

The fourth proportional to 272,456.46, 375,991.74 and 151,602.84 is: 209,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,456.46 : 375,991.74 = 151,602.84 : x
  2. Step 2: Convert to fraction form
    272,456.46/375,991.74 = 151,602.84/x
  3. Step 3: Cross multiply
    272,456.46x = 375,991.74 × 151,602.84
  4. Step 4: Simplify right side
    272,456.46x = 57,001,415,600.54
  5. Step 5: Solve for x
    x = 57,001,415,600.54/272,456.46
  6. Step 6: Final answer
    x = 209,212.93

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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.