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Finding the Fourth Proportional to 150,357.87, 207,020.48 and 127,651.95

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Solution

The fourth proportional to 150,357.87, 207,020.48 and 127,651.95 is: 175,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,357.87 : 207,020.48 = 127,651.95 : x
  2. Step 2: Convert to fraction form
    150,357.87/207,020.48 = 127,651.95/x
  3. Step 3: Cross multiply
    150,357.87x = 207,020.48 × 127,651.95
  4. Step 4: Simplify right side
    150,357.87x = 26,426,567,323.68
  5. Step 5: Solve for x
    x = 26,426,567,323.68/150,357.87
  6. Step 6: Final answer
    x = 175,757.79

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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.