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Finding the Fourth Proportional to 255,193.28, 352,151.72 and 147,755.68

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Solution

The fourth proportional to 255,193.28, 352,151.72 and 147,755.68 is: 203,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,193.28 : 352,151.72 = 147,755.68 : x
  2. Step 2: Convert to fraction form
    255,193.28/352,151.72 = 147,755.68/x
  3. Step 3: Cross multiply
    255,193.28x = 352,151.72 × 147,755.68
  4. Step 4: Simplify right side
    255,193.28x = 52,032,416,851.77
  5. Step 5: Solve for x
    x = 52,032,416,851.77/255,193.28
  6. Step 6: Final answer
    x = 203,894.15

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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.