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Finding the Fourth Proportional to 153,855.45, 230,801.61 and 47,225.44

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Solution

The fourth proportional to 153,855.45, 230,801.61 and 47,225.44 is: 70,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,855.45 : 230,801.61 = 47,225.44 : x
  2. Step 2: Convert to fraction form
    153,855.45/230,801.61 = 47,225.44/x
  3. Step 3: Cross multiply
    153,855.45x = 230,801.61 × 47,225.44
  4. Step 4: Simplify right side
    153,855.45x = 10,899,708,050.56
  5. Step 5: Solve for x
    x = 10,899,708,050.56/153,855.45
  6. Step 6: Final answer
    x = 70,843.82

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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.