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Finding the Fourth Proportional to 255,593.97, 352,739.93 and 140,893

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Solution

The fourth proportional to 255,593.97, 352,739.93 and 140,893 is: 194,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,593.97 : 352,739.93 = 140,893 : x
  2. Step 2: Convert to fraction form
    255,593.97/352,739.93 = 140,893/x
  3. Step 3: Cross multiply
    255,593.97x = 352,739.93 × 140,893
  4. Step 4: Simplify right side
    255,593.97x = 49,698,586,957.49
  5. Step 5: Solve for x
    x = 49,698,586,957.49/255,593.97
  6. Step 6: Final answer
    x = 194,443.50

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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.