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Finding the Fourth Proportional to 252,783.60, 348,843.76 and 143,882.62

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Solution

The fourth proportional to 252,783.60, 348,843.76 and 143,882.62 is: 198,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,783.60 : 348,843.76 = 143,882.62 : x
  2. Step 2: Convert to fraction form
    252,783.60/348,843.76 = 143,882.62/x
  3. Step 3: Cross multiply
    252,783.60x = 348,843.76 × 143,882.62
  4. Step 4: Simplify right side
    252,783.60x = 50,192,554,159.45
  5. Step 5: Solve for x
    x = 50,192,554,159.45/252,783.60
  6. Step 6: Final answer
    x = 198,559.38

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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.