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Finding the Fourth Proportional to 255,126.58, 352,117.82 and 147,761.88

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Solution

The fourth proportional to 255,126.58, 352,117.82 and 147,761.88 is: 203,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,126.58 : 352,117.82 = 147,761.88 : x
  2. Step 2: Convert to fraction form
    255,126.58/352,117.82 = 147,761.88/x
  3. Step 3: Cross multiply
    255,126.58x = 352,117.82 × 147,761.88
  4. Step 4: Simplify right side
    255,126.58x = 52,029,591,064.70
  5. Step 5: Solve for x
    x = 52,029,591,064.70/255,126.58
  6. Step 6: Final answer
    x = 203,936.38

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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.