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Finding the Fourth Proportional to 372,490.53, 558,637.38 and 106,266.21

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Solution

The fourth proportional to 372,490.53, 558,637.38 and 106,266.21 is: 159,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,490.53 : 558,637.38 = 106,266.21 : x
  2. Step 2: Convert to fraction form
    372,490.53/558,637.38 = 106,266.21/x
  3. Step 3: Cross multiply
    372,490.53x = 558,637.38 × 106,266.21
  4. Step 4: Simplify right side
    372,490.53x = 59,364,277,136.93
  5. Step 5: Solve for x
    x = 59,364,277,136.93/372,490.53
  6. Step 6: Final answer
    x = 159,371.24

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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.