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Finding the Fourth Proportional to 75,999.70, 113,999.55 and 23,402.35

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Solution

The fourth proportional to 75,999.70, 113,999.55 and 23,402.35 is: 35,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,999.70 : 113,999.55 = 23,402.35 : x
  2. Step 2: Convert to fraction form
    75,999.70/113,999.55 = 23,402.35/x
  3. Step 3: Cross multiply
    75,999.70x = 113,999.55 × 23,402.35
  4. Step 4: Simplify right side
    75,999.70x = 2,667,857,368.94
  5. Step 5: Solve for x
    x = 2,667,857,368.94/75,999.70
  6. Step 6: Final answer
    x = 35,103.53

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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.