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Finding the Fourth Proportional to 255,275.88, 352,277.82 and 140,552.19

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Solution

The fourth proportional to 255,275.88, 352,277.82 and 140,552.19 is: 193,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,275.88 : 352,277.82 = 140,552.19 : x
  2. Step 2: Convert to fraction form
    255,275.88/352,277.82 = 140,552.19/x
  3. Step 3: Cross multiply
    255,275.88x = 352,277.82 × 140,552.19
  4. Step 4: Simplify right side
    255,275.88x = 49,513,419,089.43
  5. Step 5: Solve for x
    x = 49,513,419,089.43/255,275.88
  6. Step 6: Final answer
    x = 193,960.43

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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.