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Finding the Fourth Proportional to 254,398.48, 351,056.19 and 141,213.94

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Solution

The fourth proportional to 254,398.48, 351,056.19 and 141,213.94 is: 194,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,398.48 : 351,056.19 = 141,213.94 : x
  2. Step 2: Convert to fraction form
    254,398.48/351,056.19 = 141,213.94/x
  3. Step 3: Cross multiply
    254,398.48x = 351,056.19 × 141,213.94
  4. Step 4: Simplify right side
    254,398.48x = 49,574,027,403.20
  5. Step 5: Solve for x
    x = 49,574,027,403.20/254,398.48
  6. Step 6: Final answer
    x = 194,867.63

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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.