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Finding the Fourth Proportional to 73,094.57, 100,853.39 and 42,878.33

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Solution

The fourth proportional to 73,094.57, 100,853.39 and 42,878.33 is: 59,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,094.57 : 100,853.39 = 42,878.33 : x
  2. Step 2: Convert to fraction form
    73,094.57/100,853.39 = 42,878.33/x
  3. Step 3: Cross multiply
    73,094.57x = 100,853.39 × 42,878.33
  4. Step 4: Simplify right side
    73,094.57x = 4,324,424,938.04
  5. Step 5: Solve for x
    x = 4,324,424,938.04/73,094.57
  6. Step 6: Final answer
    x = 59,162.05

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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.