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Finding the Fourth Proportional to 101,871.58, 152,808.42 and 30,794.80

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Solution

The fourth proportional to 101,871.58, 152,808.42 and 30,794.80 is: 46,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,871.58 : 152,808.42 = 30,794.80 : x
  2. Step 2: Convert to fraction form
    101,871.58/152,808.42 = 30,794.80/x
  3. Step 3: Cross multiply
    101,871.58x = 152,808.42 × 30,794.80
  4. Step 4: Simplify right side
    101,871.58x = 4,705,704,732.22
  5. Step 5: Solve for x
    x = 4,705,704,732.22/101,871.58
  6. Step 6: Final answer
    x = 46,192.52

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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.