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Finding the Fourth Proportional to 255,505.43, 352,519.43 and 148,054.70

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Solution

The fourth proportional to 255,505.43, 352,519.43 and 148,054.70 is: 204,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,505.43 : 352,519.43 = 148,054.70 : x
  2. Step 2: Convert to fraction form
    255,505.43/352,519.43 = 148,054.70/x
  3. Step 3: Cross multiply
    255,505.43x = 352,519.43 × 148,054.70
  4. Step 4: Simplify right side
    255,505.43x = 52,192,155,949.95
  5. Step 5: Solve for x
    x = 52,192,155,949.95/255,505.43
  6. Step 6: Final answer
    x = 204,270.25

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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.