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Finding the Fourth Proportional to 183,856.61, 253,708.48 and 103,297.56

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Solution

The fourth proportional to 183,856.61, 253,708.48 and 103,297.56 is: 142,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,856.61 : 253,708.48 = 103,297.56 : x
  2. Step 2: Convert to fraction form
    183,856.61/253,708.48 = 103,297.56/x
  3. Step 3: Cross multiply
    183,856.61x = 253,708.48 × 103,297.56
  4. Step 4: Simplify right side
    183,856.61x = 26,207,466,935.31
  5. Step 5: Solve for x
    x = 26,207,466,935.31/183,856.61
  6. Step 6: Final answer
    x = 142,542.97

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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.