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Finding the Fourth Proportional to 79,677.56, 119,536.88 and 29,758.01

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Solution

The fourth proportional to 79,677.56, 119,536.88 and 29,758.01 is: 44,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,677.56 : 119,536.88 = 29,758.01 : x
  2. Step 2: Convert to fraction form
    79,677.56/119,536.88 = 29,758.01/x
  3. Step 3: Cross multiply
    79,677.56x = 119,536.88 × 29,758.01
  4. Step 4: Simplify right side
    79,677.56x = 3,557,178,923.93
  5. Step 5: Solve for x
    x = 3,557,178,923.93/79,677.56
  6. Step 6: Final answer
    x = 44,644.68

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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.