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Finding the Fourth Proportional to 127,796.58, 191,780.19 and 44,690.58

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Solution

The fourth proportional to 127,796.58, 191,780.19 and 44,690.58 is: 67,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,796.58 : 191,780.19 = 44,690.58 : x
  2. Step 2: Convert to fraction form
    127,796.58/191,780.19 = 44,690.58/x
  3. Step 3: Cross multiply
    127,796.58x = 191,780.19 × 44,690.58
  4. Step 4: Simplify right side
    127,796.58x = 8,570,767,923.61
  5. Step 5: Solve for x
    x = 8,570,767,923.61/127,796.58
  6. Step 6: Final answer
    x = 67,065.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.