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Finding the Fourth Proportional to 253,662.32, 350,053.82 and 140,484.96

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Solution

The fourth proportional to 253,662.32, 350,053.82 and 140,484.96 is: 193,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,662.32 : 350,053.82 = 140,484.96 : x
  2. Step 2: Convert to fraction form
    253,662.32/350,053.82 = 140,484.96/x
  3. Step 3: Cross multiply
    253,662.32x = 350,053.82 × 140,484.96
  4. Step 4: Simplify right side
    253,662.32x = 49,177,296,900.55
  5. Step 5: Solve for x
    x = 49,177,296,900.55/253,662.32
  6. Step 6: Final answer
    x = 193,869.14

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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.