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Finding the Fourth Proportional to 375,910.72, 563,856.70 and 109,673.58

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Solution

The fourth proportional to 375,910.72, 563,856.70 and 109,673.58 is: 164,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,910.72 : 563,856.70 = 109,673.58 : x
  2. Step 2: Convert to fraction form
    375,910.72/563,856.70 = 109,673.58/x
  3. Step 3: Cross multiply
    375,910.72x = 563,856.70 × 109,673.58
  4. Step 4: Simplify right side
    375,910.72x = 61,840,182,895.99
  5. Step 5: Solve for x
    x = 61,840,182,895.99/375,910.72
  6. Step 6: Final answer
    x = 164,507.63

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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.