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Finding the Fourth Proportional to 183,690.48, 253,462.68 and 108,228.72

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Solution

The fourth proportional to 183,690.48, 253,462.68 and 108,228.72 is: 149,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,690.48 : 253,462.68 = 108,228.72 : x
  2. Step 2: Convert to fraction form
    183,690.48/253,462.68 = 108,228.72/x
  3. Step 3: Cross multiply
    183,690.48x = 253,462.68 × 108,228.72
  4. Step 4: Simplify right side
    183,690.48x = 27,431,941,424.17
  5. Step 5: Solve for x
    x = 27,431,941,424.17/183,690.48
  6. Step 6: Final answer
    x = 149,337.85

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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.