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Finding the Fourth Proportional to 375,612.60, 563,511.36 and 109,375.68

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Solution

The fourth proportional to 375,612.60, 563,511.36 and 109,375.68 is: 164,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,612.60 : 563,511.36 = 109,375.68 : x
  2. Step 2: Convert to fraction form
    375,612.60/563,511.36 = 109,375.68/x
  3. Step 3: Cross multiply
    375,612.60x = 563,511.36 × 109,375.68
  4. Step 4: Simplify right side
    375,612.60x = 61,634,438,187.72
  5. Step 5: Solve for x
    x = 61,634,438,187.72/375,612.60
  6. Step 6: Final answer
    x = 164,090.44

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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.