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Finding the Fourth Proportional to 252,350.64, 348,207.12 and 156,822.48

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Solution

The fourth proportional to 252,350.64, 348,207.12 and 156,822.48 is: 216,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,350.64 : 348,207.12 = 156,822.48 : x
  2. Step 2: Convert to fraction form
    252,350.64/348,207.12 = 156,822.48/x
  3. Step 3: Cross multiply
    252,350.64x = 348,207.12 × 156,822.48
  4. Step 4: Simplify right side
    252,350.64x = 54,606,704,112.06
  5. Step 5: Solve for x
    x = 54,606,704,112.06/252,350.64
  6. Step 6: Final answer
    x = 216,392.18

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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.