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Finding the Fourth Proportional to 109,361.07, 150,918.26 and 59,060.07

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Solution

The fourth proportional to 109,361.07, 150,918.26 and 59,060.07 is: 81,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,361.07 : 150,918.26 = 59,060.07 : x
  2. Step 2: Convert to fraction form
    109,361.07/150,918.26 = 59,060.07/x
  3. Step 3: Cross multiply
    109,361.07x = 150,918.26 × 59,060.07
  4. Step 4: Simplify right side
    109,361.07x = 8,913,243,147.53
  5. Step 5: Solve for x
    x = 8,913,243,147.53/109,361.07
  6. Step 6: Final answer
    x = 81,502.89

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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.