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Finding the Fourth Proportional to 253,908.48, 350,388.48 and 140,730.24

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Solution

The fourth proportional to 253,908.48, 350,388.48 and 140,730.24 is: 194,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,908.48 : 350,388.48 = 140,730.24 : x
  2. Step 2: Convert to fraction form
    253,908.48/350,388.48 = 140,730.24/x
  3. Step 3: Cross multiply
    253,908.48x = 350,388.48 × 140,730.24
  4. Step 4: Simplify right side
    253,908.48x = 49,310,254,883.64
  5. Step 5: Solve for x
    x = 49,310,254,883.64/253,908.48
  6. Step 6: Final answer
    x = 194,204.84

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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.