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Finding the Fourth Proportional to 73,133.76, 100,922.56 and 43,325.76

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Solution

The fourth proportional to 73,133.76, 100,922.56 and 43,325.76 is: 59,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,133.76 : 100,922.56 = 43,325.76 : x
  2. Step 2: Convert to fraction form
    73,133.76/100,922.56 = 43,325.76/x
  3. Step 3: Cross multiply
    73,133.76x = 100,922.56 × 43,325.76
  4. Step 4: Simplify right side
    73,133.76x = 4,372,546,613.15
  5. Step 5: Solve for x
    x = 4,372,546,613.15/73,133.76
  6. Step 6: Final answer
    x = 59,788.35

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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.