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Finding the Fourth Proportional to 73,018.82, 100,759.85 and 40,750.55

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Solution

The fourth proportional to 73,018.82, 100,759.85 and 40,750.55 is: 56,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,018.82 : 100,759.85 = 40,750.55 : x
  2. Step 2: Convert to fraction form
    73,018.82/100,759.85 = 40,750.55/x
  3. Step 3: Cross multiply
    73,018.82x = 100,759.85 × 40,750.55
  4. Step 4: Simplify right side
    73,018.82x = 4,106,018,597.87
  5. Step 5: Solve for x
    x = 4,106,018,597.87/73,018.82
  6. Step 6: Final answer
    x = 56,232.34

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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.