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Finding the Fourth Proportional to 228,542.48, 342,855.48 and 70,760.24

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Solution

The fourth proportional to 228,542.48, 342,855.48 and 70,760.24 is: 106,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,542.48 : 342,855.48 = 70,760.24 : x
  2. Step 2: Convert to fraction form
    228,542.48/342,855.48 = 70,760.24/x
  3. Step 3: Cross multiply
    228,542.48x = 342,855.48 × 70,760.24
  4. Step 4: Simplify right side
    228,542.48x = 24,260,536,050.12
  5. Step 5: Solve for x
    x = 24,260,536,050.12/228,542.48
  6. Step 6: Final answer
    x = 106,153.29

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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.