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Finding the Fourth Proportional to 183,382.32, 253,067.43 and 102,809.87

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Solution

The fourth proportional to 183,382.32, 253,067.43 and 102,809.87 is: 141,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,382.32 : 253,067.43 = 102,809.87 : x
  2. Step 2: Convert to fraction form
    183,382.32/253,067.43 = 102,809.87/x
  3. Step 3: Cross multiply
    183,382.32x = 253,067.43 × 102,809.87
  4. Step 4: Simplify right side
    183,382.32x = 26,017,829,579.53
  5. Step 5: Solve for x
    x = 26,017,829,579.53/183,382.32
  6. Step 6: Final answer
    x = 141,877.52

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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.