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Finding the Fourth Proportional to 254,213.54, 350,802.92 and 139,489.32

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Solution

The fourth proportional to 254,213.54, 350,802.92 and 139,489.32 is: 192,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,213.54 : 350,802.92 = 139,489.32 : x
  2. Step 2: Convert to fraction form
    254,213.54/350,802.92 = 139,489.32/x
  3. Step 3: Cross multiply
    254,213.54x = 350,802.92 × 139,489.32
  4. Step 4: Simplify right side
    254,213.54x = 48,933,260,764.81
  5. Step 5: Solve for x
    x = 48,933,260,764.81/254,213.54
  6. Step 6: Final answer
    x = 192,488.81

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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.