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Finding the Fourth Proportional to 252,763.69, 348,653.69 and 192,201.56

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Solution

The fourth proportional to 252,763.69, 348,653.69 and 192,201.56 is: 265,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,763.69 : 348,653.69 = 192,201.56 : x
  2. Step 2: Convert to fraction form
    252,763.69/348,653.69 = 192,201.56/x
  3. Step 3: Cross multiply
    252,763.69x = 348,653.69 × 192,201.56
  4. Step 4: Simplify right side
    252,763.69x = 67,011,781,374.49
  5. Step 5: Solve for x
    x = 67,011,781,374.49/252,763.69
  6. Step 6: Final answer
    x = 265,116.33

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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.