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Finding the Fourth Proportional to 272,812.92, 376,493.54 and 151,954.26

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Solution

The fourth proportional to 272,812.92, 376,493.54 and 151,954.26 is: 209,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,812.92 : 376,493.54 = 151,954.26 : x
  2. Step 2: Convert to fraction form
    272,812.92/376,493.54 = 151,954.26/x
  3. Step 3: Cross multiply
    272,812.92x = 376,493.54 × 151,954.26
  4. Step 4: Simplify right side
    272,812.92x = 57,209,796,505.71
  5. Step 5: Solve for x
    x = 57,209,796,505.71/272,812.92
  6. Step 6: Final answer
    x = 209,703.40

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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.