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Finding the Fourth Proportional to 255,755.63, 352,934.68 and 141,039.11

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Solution

The fourth proportional to 255,755.63, 352,934.68 and 141,039.11 is: 194,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,755.63 : 352,934.68 = 141,039.11 : x
  2. Step 2: Convert to fraction form
    255,755.63/352,934.68 = 141,039.11/x
  3. Step 3: Cross multiply
    255,755.63x = 352,934.68 × 141,039.11
  4. Step 4: Simplify right side
    255,755.63x = 49,777,593,155.33
  5. Step 5: Solve for x
    x = 49,777,593,155.33/255,755.63
  6. Step 6: Final answer
    x = 194,629.51

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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.