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Finding the Fourth Proportional to 251,788.92, 347,447.52 and 144,334.32

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Solution

The fourth proportional to 251,788.92, 347,447.52 and 144,334.32 is: 199,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,788.92 : 347,447.52 = 144,334.32 : x
  2. Step 2: Convert to fraction form
    251,788.92/347,447.52 = 144,334.32/x
  3. Step 3: Cross multiply
    251,788.92x = 347,447.52 × 144,334.32
  4. Step 4: Simplify right side
    251,788.92x = 50,148,601,534.89
  5. Step 5: Solve for x
    x = 50,148,601,534.89/251,788.92
  6. Step 6: Final answer
    x = 199,169.21

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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.