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Finding the Fourth Proportional to 375,377.94, 563,097.92 and 109,138.05

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Solution

The fourth proportional to 375,377.94, 563,097.92 and 109,138.05 is: 163,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,377.94 : 563,097.92 = 109,138.05 : x
  2. Step 2: Convert to fraction form
    375,377.94/563,097.92 = 109,138.05/x
  3. Step 3: Cross multiply
    375,377.94x = 563,097.92 × 109,138.05
  4. Step 4: Simplify right side
    375,377.94x = 61,455,408,402.17
  5. Step 5: Solve for x
    x = 61,455,408,402.17/375,377.94
  6. Step 6: Final answer
    x = 163,716.09

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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.