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Finding the Fourth Proportional to 272,362.77, 375,874.56 and 151,506.45

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Solution

The fourth proportional to 272,362.77, 375,874.56 and 151,506.45 is: 209,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,362.77 : 375,874.56 = 151,506.45 : x
  2. Step 2: Convert to fraction form
    272,362.77/375,874.56 = 151,506.45/x
  3. Step 3: Cross multiply
    272,362.77x = 375,874.56 × 151,506.45
  4. Step 4: Simplify right side
    272,362.77x = 56,947,420,230.91
  5. Step 5: Solve for x
    x = 56,947,420,230.91/272,362.77
  6. Step 6: Final answer
    x = 209,086.65

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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.