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Finding the Fourth Proportional to 123,394.74, 185,092.20 and 29,900.58

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Solution

The fourth proportional to 123,394.74, 185,092.20 and 29,900.58 is: 44,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,394.74 : 185,092.20 = 29,900.58 : x
  2. Step 2: Convert to fraction form
    123,394.74/185,092.20 = 29,900.58/x
  3. Step 3: Cross multiply
    123,394.74x = 185,092.20 × 29,900.58
  4. Step 4: Simplify right side
    123,394.74x = 5,534,364,133.48
  5. Step 5: Solve for x
    x = 5,534,364,133.48/123,394.74
  6. Step 6: Final answer
    x = 44,850.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.