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Finding the Fourth Proportional to 247,900.92, 342,090.18 and 140,472.24

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Solution

The fourth proportional to 247,900.92, 342,090.18 and 140,472.24 is: 193,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,900.92 : 342,090.18 = 140,472.24 : x
  2. Step 2: Convert to fraction form
    247,900.92/342,090.18 = 140,472.24/x
  3. Step 3: Cross multiply
    247,900.92x = 342,090.18 × 140,472.24
  4. Step 4: Simplify right side
    247,900.92x = 48,054,173,866.60
  5. Step 5: Solve for x
    x = 48,054,173,866.60/247,900.92
  6. Step 6: Final answer
    x = 193,844.27

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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.