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Finding the Fourth Proportional to 375,634.26, 563,549.40 and 109,388.88

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Solution

The fourth proportional to 375,634.26, 563,549.40 and 109,388.88 is: 164,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,634.26 : 563,549.40 = 109,388.88 : x
  2. Step 2: Convert to fraction form
    375,634.26/563,549.40 = 109,388.88/x
  3. Step 3: Cross multiply
    375,634.26x = 563,549.40 × 109,388.88
  4. Step 4: Simplify right side
    375,634.26x = 61,646,037,690.67
  5. Step 5: Solve for x
    x = 61,646,037,690.67/375,634.26
  6. Step 6: Final answer
    x = 164,111.86

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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.