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Finding the Fourth Proportional to 195,871.74, 270,455.58 and 150,477.78

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Solution

The fourth proportional to 195,871.74, 270,455.58 and 150,477.78 is: 207,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,871.74 : 270,455.58 = 150,477.78 : x
  2. Step 2: Convert to fraction form
    195,871.74/270,455.58 = 150,477.78/x
  3. Step 3: Cross multiply
    195,871.74x = 270,455.58 × 150,477.78
  4. Step 4: Simplify right side
    195,871.74x = 40,697,555,267.01
  5. Step 5: Solve for x
    x = 40,697,555,267.01/195,871.74
  6. Step 6: Final answer
    x = 207,776.55

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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.