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Finding the Fourth Proportional to 375,953.60, 563,921.02 and 109,716.42

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Solution

The fourth proportional to 375,953.60, 563,921.02 and 109,716.42 is: 164,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,953.60 : 563,921.02 = 109,716.42 : x
  2. Step 2: Convert to fraction form
    375,953.60/563,921.02 = 109,716.42/x
  3. Step 3: Cross multiply
    375,953.60x = 563,921.02 × 109,716.42
  4. Step 4: Simplify right side
    375,953.60x = 61,871,395,477.15
  5. Step 5: Solve for x
    x = 61,871,395,477.15/375,953.60
  6. Step 6: Final answer
    x = 164,571.89

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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.