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Finding the Fourth Proportional to 365,425.74, 548,138.33 and 99,225.32

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Solution

The fourth proportional to 365,425.74, 548,138.33 and 99,225.32 is: 148,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,425.74 : 548,138.33 = 99,225.32 : x
  2. Step 2: Convert to fraction form
    365,425.74/548,138.33 = 99,225.32/x
  3. Step 3: Cross multiply
    365,425.74x = 548,138.33 × 99,225.32
  4. Step 4: Simplify right side
    365,425.74x = 54,389,201,198.52
  5. Step 5: Solve for x
    x = 54,389,201,198.52/365,425.74
  6. Step 6: Final answer
    x = 148,837.90

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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.