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Finding the Fourth Proportional to 253,516.59, 349,852.97 and 140,339.34

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Solution

The fourth proportional to 253,516.59, 349,852.97 and 140,339.34 is: 193,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,516.59 : 349,852.97 = 140,339.34 : x
  2. Step 2: Convert to fraction form
    253,516.59/349,852.97 = 140,339.34/x
  3. Step 3: Cross multiply
    253,516.59x = 349,852.97 × 140,339.34
  4. Step 4: Simplify right side
    253,516.59x = 49,098,134,906.84
  5. Step 5: Solve for x
    x = 49,098,134,906.84/253,516.59
  6. Step 6: Final answer
    x = 193,668.33

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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.