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Finding the Fourth Proportional to 73,115.59, 100,906.28 and 44,428.60

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Solution

The fourth proportional to 73,115.59, 100,906.28 and 44,428.60 is: 61,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,115.59 : 100,906.28 = 44,428.60 : x
  2. Step 2: Convert to fraction form
    73,115.59/100,906.28 = 44,428.60/x
  3. Step 3: Cross multiply
    73,115.59x = 100,906.28 × 44,428.60
  4. Step 4: Simplify right side
    73,115.59x = 4,483,124,947.16
  5. Step 5: Solve for x
    x = 4,483,124,947.16/73,115.59
  6. Step 6: Final answer
    x = 61,315.58

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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.