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Finding the Fourth Proportional to 92,225.52, 127,003.68 and 80,120.52

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Solution

The fourth proportional to 92,225.52, 127,003.68 and 80,120.52 is: 110,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,225.52 : 127,003.68 = 80,120.52 : x
  2. Step 2: Convert to fraction form
    92,225.52/127,003.68 = 80,120.52/x
  3. Step 3: Cross multiply
    92,225.52x = 127,003.68 × 80,120.52
  4. Step 4: Simplify right side
    92,225.52x = 10,175,600,883.51
  5. Step 5: Solve for x
    x = 10,175,600,883.51/92,225.52
  6. Step 6: Final answer
    x = 110,333.90

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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.