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Finding the Fourth Proportional to 140,101.44, 193,339.98 and 89,800.44

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Solution

The fourth proportional to 140,101.44, 193,339.98 and 89,800.44 is: 123,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,101.44 : 193,339.98 = 89,800.44 : x
  2. Step 2: Convert to fraction form
    140,101.44/193,339.98 = 89,800.44/x
  3. Step 3: Cross multiply
    140,101.44x = 193,339.98 × 89,800.44
  4. Step 4: Simplify right side
    140,101.44x = 17,362,015,273.59
  5. Step 5: Solve for x
    x = 17,362,015,273.59/140,101.44
  6. Step 6: Final answer
    x = 123,924.60

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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.