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Finding the Fourth Proportional to 375,908.60, 563,853.51 and 109,671.45

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Solution

The fourth proportional to 375,908.60, 563,853.51 and 109,671.45 is: 164,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,908.60 : 563,853.51 = 109,671.45 : x
  2. Step 2: Convert to fraction form
    375,908.60/563,853.51 = 109,671.45/x
  3. Step 3: Cross multiply
    375,908.60x = 563,853.51 × 109,671.45
  4. Step 4: Simplify right side
    375,908.60x = 61,838,632,029.29
  5. Step 5: Solve for x
    x = 61,838,632,029.29/375,908.60
  6. Step 6: Final answer
    x = 164,504.44

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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.