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Finding the Fourth Proportional to 251,493.92, 347,032.51 and 144,057.55

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Solution

The fourth proportional to 251,493.92, 347,032.51 and 144,057.55 is: 198,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,493.92 : 347,032.51 = 144,057.55 : x
  2. Step 2: Convert to fraction form
    251,493.92/347,032.51 = 144,057.55/x
  3. Step 3: Cross multiply
    251,493.92x = 347,032.51 × 144,057.55
  4. Step 4: Simplify right side
    251,493.92x = 49,992,653,160.95
  5. Step 5: Solve for x
    x = 49,992,653,160.95/251,493.92
  6. Step 6: Final answer
    x = 198,782.75

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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.