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Finding the Fourth Proportional to 251,179.99, 346,550.20 and 154,282.22

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Solution

The fourth proportional to 251,179.99, 346,550.20 and 154,282.22 is: 212,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,179.99 : 346,550.20 = 154,282.22 : x
  2. Step 2: Convert to fraction form
    251,179.99/346,550.20 = 154,282.22/x
  3. Step 3: Cross multiply
    251,179.99x = 346,550.20 × 154,282.22
  4. Step 4: Simplify right side
    251,179.99x = 53,466,533,378.55
  5. Step 5: Solve for x
    x = 53,466,533,378.55/251,179.99
  6. Step 6: Final answer
    x = 212,861.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.