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Finding the Fourth Proportional to 76,119.70, 105,067.65 and 44,302.74

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Solution

The fourth proportional to 76,119.70, 105,067.65 and 44,302.74 is: 61,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,119.70 : 105,067.65 = 44,302.74 : x
  2. Step 2: Convert to fraction form
    76,119.70/105,067.65 = 44,302.74/x
  3. Step 3: Cross multiply
    76,119.70x = 105,067.65 × 44,302.74
  4. Step 4: Simplify right side
    76,119.70x = 4,654,784,780.36
  5. Step 5: Solve for x
    x = 4,654,784,780.36/76,119.70
  6. Step 6: Final answer
    x = 61,150.86

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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.