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Finding the Fourth Proportional to 252,371.49, 348,186.51 and 143,464.83

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Solution

The fourth proportional to 252,371.49, 348,186.51 and 143,464.83 is: 197,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,371.49 : 348,186.51 = 143,464.83 : x
  2. Step 2: Convert to fraction form
    252,371.49/348,186.51 = 143,464.83/x
  3. Step 3: Cross multiply
    252,371.49x = 348,186.51 × 143,464.83
  4. Step 4: Simplify right side
    252,371.49x = 49,952,518,465.44
  5. Step 5: Solve for x
    x = 49,952,518,465.44/252,371.49
  6. Step 6: Final answer
    x = 197,932.49

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1.5x scale

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.