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Finding the Fourth Proportional to 375,861.36, 563,874.96 and 109,642.72

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Solution

The fourth proportional to 375,861.36, 563,874.96 and 109,642.72 is: 164,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,861.36 : 563,874.96 = 109,642.72 : x
  2. Step 2: Convert to fraction form
    375,861.36/563,874.96 = 109,642.72/x
  3. Step 3: Cross multiply
    375,861.36x = 563,874.96 × 109,642.72
  4. Step 4: Simplify right side
    375,861.36x = 61,824,784,354.29
  5. Step 5: Solve for x
    x = 61,824,784,354.29/375,861.36
  6. Step 6: Final answer
    x = 164,488.27

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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.