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Finding the Fourth Proportional to 272,580.54, 376,161.17 and 151,719.23

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Solution

The fourth proportional to 272,580.54, 376,161.17 and 151,719.23 is: 209,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,580.54 : 376,161.17 = 151,719.23 : x
  2. Step 2: Convert to fraction form
    272,580.54/376,161.17 = 151,719.23/x
  3. Step 3: Cross multiply
    272,580.54x = 376,161.17 × 151,719.23
  4. Step 4: Simplify right side
    272,580.54x = 57,070,883,068.30
  5. Step 5: Solve for x
    x = 57,070,883,068.30/272,580.54
  6. Step 6: Final answer
    x = 209,372.55

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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.