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Finding the Fourth Proportional to 248,659.47, 343,150.83 and 141,230.39

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Solution

The fourth proportional to 248,659.47, 343,150.83 and 141,230.39 is: 194,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,659.47 : 343,150.83 = 141,230.39 : x
  2. Step 2: Convert to fraction form
    248,659.47/343,150.83 = 141,230.39/x
  3. Step 3: Cross multiply
    248,659.47x = 343,150.83 × 141,230.39
  4. Step 4: Simplify right side
    248,659.47x = 48,463,323,833.97
  5. Step 5: Solve for x
    x = 48,463,323,833.97/248,659.47
  6. Step 6: Final answer
    x = 194,898.36

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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.