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Finding the Fourth Proportional to 250,299.01, 345,409.77 and 135,575.47

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Solution

The fourth proportional to 250,299.01, 345,409.77 and 135,575.47 is: 187,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,299.01 : 345,409.77 = 135,575.47 : x
  2. Step 2: Convert to fraction form
    250,299.01/345,409.77 = 135,575.47/x
  3. Step 3: Cross multiply
    250,299.01x = 345,409.77 × 135,575.47
  4. Step 4: Simplify right side
    250,299.01x = 46,829,091,910.34
  5. Step 5: Solve for x
    x = 46,829,091,910.34/250,299.01
  6. Step 6: Final answer
    x = 187,092.60

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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.