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Finding the Fourth Proportional to 90,843.44, 125,353.49 and 52,603.74

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Solution

The fourth proportional to 90,843.44, 125,353.49 and 52,603.74 is: 72,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,843.44 : 125,353.49 = 52,603.74 : x
  2. Step 2: Convert to fraction form
    90,843.44/125,353.49 = 52,603.74/x
  3. Step 3: Cross multiply
    90,843.44x = 125,353.49 × 52,603.74
  4. Step 4: Simplify right side
    90,843.44x = 6,594,062,133.03
  5. Step 5: Solve for x
    x = 6,594,062,133.03/90,843.44
  6. Step 6: Final answer
    x = 72,587.11

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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.