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Finding the Fourth Proportional to 237,792.78, 328,187.43 and 147,177.78

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Solution

The fourth proportional to 237,792.78, 328,187.43 and 147,177.78 is: 203,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,792.78 : 328,187.43 = 147,177.78 : x
  2. Step 2: Convert to fraction form
    237,792.78/328,187.43 = 147,177.78/x
  3. Step 3: Cross multiply
    237,792.78x = 328,187.43 × 147,177.78
  4. Step 4: Simplify right side
    237,792.78x = 48,301,897,371.31
  5. Step 5: Solve for x
    x = 48,301,897,371.31/237,792.78
  6. Step 6: Final answer
    x = 203,126.00

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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.