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Finding the Fourth Proportional to 375,953.28, 563,920.61 and 109,716.14

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Solution

The fourth proportional to 375,953.28, 563,920.61 and 109,716.14 is: 164,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,953.28 : 563,920.61 = 109,716.14 : x
  2. Step 2: Convert to fraction form
    375,953.28/563,920.61 = 109,716.14/x
  3. Step 3: Cross multiply
    375,953.28x = 563,920.61 × 109,716.14
  4. Step 4: Simplify right side
    375,953.28x = 61,871,189,227.46
  5. Step 5: Solve for x
    x = 61,871,189,227.46/375,953.28
  6. Step 6: Final answer
    x = 164,571.48

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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.