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Finding the Fourth Proportional to 375,379.38, 563,156.55 and 122,671.53

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Solution

The fourth proportional to 375,379.38, 563,156.55 and 122,671.53 is: 184,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,379.38 : 563,156.55 = 122,671.53 : x
  2. Step 2: Convert to fraction form
    375,379.38/563,156.55 = 122,671.53/x
  3. Step 3: Cross multiply
    375,379.38x = 563,156.55 × 122,671.53
  4. Step 4: Simplify right side
    375,379.38x = 69,083,275,618.02
  5. Step 5: Solve for x
    x = 69,083,275,618.02/375,379.38
  6. Step 6: Final answer
    x = 184,035.88

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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.