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Finding the Fourth Proportional to 252,708.51, 348,591.56 and 163,284.51

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Solution

The fourth proportional to 252,708.51, 348,591.56 and 163,284.51 is: 225,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,708.51 : 348,591.56 = 163,284.51 : x
  2. Step 2: Convert to fraction form
    252,708.51/348,591.56 = 163,284.51/x
  3. Step 3: Cross multiply
    252,708.51x = 348,591.56 × 163,284.51
  4. Step 4: Simplify right side
    252,708.51x = 56,919,601,248.31
  5. Step 5: Solve for x
    x = 56,919,601,248.31/252,708.51
  6. Step 6: Final answer
    x = 225,238.17

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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.