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Finding the Fourth Proportional to 375,661.53, 563,584.50 and 109,424.52

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Solution

The fourth proportional to 375,661.53, 563,584.50 and 109,424.52 is: 164,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,661.53 : 563,584.50 = 109,424.52 : x
  2. Step 2: Convert to fraction form
    375,661.53/563,584.50 = 109,424.52/x
  3. Step 3: Cross multiply
    375,661.53x = 563,584.50 × 109,424.52
  4. Step 4: Simplify right side
    375,661.53x = 61,669,963,391.94
  5. Step 5: Solve for x
    x = 61,669,963,391.94/375,661.53
  6. Step 6: Final answer
    x = 164,163.64

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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.