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Finding the Fourth Proportional to 267,717.72, 369,399.27 and 153,032.70

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Solution

The fourth proportional to 267,717.72, 369,399.27 and 153,032.70 is: 211,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,717.72 : 369,399.27 = 153,032.70 : x
  2. Step 2: Convert to fraction form
    267,717.72/369,399.27 = 153,032.70/x
  3. Step 3: Cross multiply
    267,717.72x = 369,399.27 × 153,032.70
  4. Step 4: Simplify right side
    267,717.72x = 56,530,167,666.13
  5. Step 5: Solve for x
    x = 56,530,167,666.13/267,717.72
  6. Step 6: Final answer
    x = 211,155.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.