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Finding the Fourth Proportional to 269,812.88, 372,342.32 and 148,954.32

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Solution

The fourth proportional to 269,812.88, 372,342.32 and 148,954.32 is: 205,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,812.88 : 372,342.32 = 148,954.32 : x
  2. Step 2: Convert to fraction form
    269,812.88/372,342.32 = 148,954.32/x
  3. Step 3: Cross multiply
    269,812.88x = 372,342.32 × 148,954.32
  4. Step 4: Simplify right side
    269,812.88x = 55,461,997,082.82
  5. Step 5: Solve for x
    x = 55,461,997,082.82/269,812.88
  6. Step 6: Final answer
    x = 205,557.26

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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.