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Finding the Fourth Proportional to 375,840.95, 563,855.48 and 109,601.48

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Solution

The fourth proportional to 375,840.95, 563,855.48 and 109,601.48 is: 164,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,840.95 : 563,855.48 = 109,601.48 : x
  2. Step 2: Convert to fraction form
    375,840.95/563,855.48 = 109,601.48/x
  3. Step 3: Cross multiply
    375,840.95x = 563,855.48 × 109,601.48
  4. Step 4: Simplify right side
    375,840.95x = 61,799,396,797.75
  5. Step 5: Solve for x
    x = 61,799,396,797.75/375,840.95
  6. Step 6: Final answer
    x = 164,429.65

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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.