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Finding the Fourth Proportional to 272,580.97, 376,161.69 and 151,719.66

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Solution

The fourth proportional to 272,580.97, 376,161.69 and 151,719.66 is: 209,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,580.97 : 376,161.69 = 151,719.66 : x
  2. Step 2: Convert to fraction form
    272,580.97/376,161.69 = 151,719.66/x
  3. Step 3: Cross multiply
    272,580.97x = 376,161.69 × 151,719.66
  4. Step 4: Simplify right side
    272,580.97x = 57,071,123,711.83
  5. Step 5: Solve for x
    x = 57,071,123,711.83/272,580.97
  6. Step 6: Final answer
    x = 209,373.10

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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.