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Finding the Fourth Proportional to 375,343.20, 563,051.88 and 109,105.92

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Solution

The fourth proportional to 375,343.20, 563,051.88 and 109,105.92 is: 163,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,343.20 : 563,051.88 = 109,105.92 : x
  2. Step 2: Convert to fraction form
    375,343.20/563,051.88 = 109,105.92/x
  3. Step 3: Cross multiply
    375,343.20x = 563,051.88 × 109,105.92
  4. Step 4: Simplify right side
    375,343.20x = 61,432,293,375.13
  5. Step 5: Solve for x
    x = 61,432,293,375.13/375,343.20
  6. Step 6: Final answer
    x = 163,669.66

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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.