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Finding the Fourth Proportional to 222,610.78, 333,916.08 and 54,130.06

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Solution

The fourth proportional to 222,610.78, 333,916.08 and 54,130.06 is: 81,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,610.78 : 333,916.08 = 54,130.06 : x
  2. Step 2: Convert to fraction form
    222,610.78/333,916.08 = 54,130.06/x
  3. Step 3: Cross multiply
    222,610.78x = 333,916.08 × 54,130.06
  4. Step 4: Simplify right side
    222,610.78x = 18,074,897,445.36
  5. Step 5: Solve for x
    x = 18,074,897,445.36/222,610.78
  6. Step 6: Final answer
    x = 81,195.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.