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Finding the Fourth Proportional to 92,178.88, 138,297.02 and 33,015.06

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Solution

The fourth proportional to 92,178.88, 138,297.02 and 33,015.06 is: 49,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,178.88 : 138,297.02 = 33,015.06 : x
  2. Step 2: Convert to fraction form
    92,178.88/138,297.02 = 33,015.06/x
  3. Step 3: Cross multiply
    92,178.88x = 138,297.02 × 33,015.06
  4. Step 4: Simplify right side
    92,178.88x = 4,565,884,433.76
  5. Step 5: Solve for x
    x = 4,565,884,433.76/92,178.88
  6. Step 6: Final answer
    x = 49,532.87

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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.