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Finding the Fourth Proportional to 269,723, 372,218.52 and 147,216.51

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Solution

The fourth proportional to 269,723, 372,218.52 and 147,216.51 is: 203,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,723 : 372,218.52 = 147,216.51 : x
  2. Step 2: Convert to fraction form
    269,723/372,218.52 = 147,216.51/x
  3. Step 3: Cross multiply
    269,723x = 372,218.52 × 147,216.51
  4. Step 4: Simplify right side
    269,723x = 54,796,711,471.77
  5. Step 5: Solve for x
    x = 54,796,711,471.77/269,723
  6. Step 6: Final answer
    x = 203,159.21

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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.