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Finding the Fourth Proportional to 104,617.78, 144,369.54 and 59,299.97

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Solution

The fourth proportional to 104,617.78, 144,369.54 and 59,299.97 is: 81,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,617.78 : 144,369.54 = 59,299.97 : x
  2. Step 2: Convert to fraction form
    104,617.78/144,369.54 = 59,299.97/x
  3. Step 3: Cross multiply
    104,617.78x = 144,369.54 × 59,299.97
  4. Step 4: Simplify right side
    104,617.78x = 8,561,108,669.07
  5. Step 5: Solve for x
    x = 8,561,108,669.07/104,617.78
  6. Step 6: Final answer
    x = 81,832.26

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1.5x scale

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.