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Finding the Fourth Proportional to 254,229.35, 350,835.53 and 139,509.92

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Solution

The fourth proportional to 254,229.35, 350,835.53 and 139,509.92 is: 192,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,229.35 : 350,835.53 = 139,509.92 : x
  2. Step 2: Convert to fraction form
    254,229.35/350,835.53 = 139,509.92/x
  3. Step 3: Cross multiply
    254,229.35x = 350,835.53 × 139,509.92
  4. Step 4: Simplify right side
    254,229.35x = 48,945,036,025.91
  5. Step 5: Solve for x
    x = 48,945,036,025.91/254,229.35
  6. Step 6: Final answer
    x = 192,523.15

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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.