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Finding the Fourth Proportional to 99,394.92, 149,092.40 and 29,274.24

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Solution

The fourth proportional to 99,394.92, 149,092.40 and 29,274.24 is: 43,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,394.92 : 149,092.40 = 29,274.24 : x
  2. Step 2: Convert to fraction form
    99,394.92/149,092.40 = 29,274.24/x
  3. Step 3: Cross multiply
    99,394.92x = 149,092.40 × 29,274.24
  4. Step 4: Simplify right side
    99,394.92x = 4,364,566,699.78
  5. Step 5: Solve for x
    x = 4,364,566,699.78/99,394.92
  6. Step 6: Final answer
    x = 43,911.37

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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.