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Finding the Fourth Proportional to 73,551.71, 110,327.61 and 51,408.32

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Solution

The fourth proportional to 73,551.71, 110,327.61 and 51,408.32 is: 77,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,551.71 : 110,327.61 = 51,408.32 : x
  2. Step 2: Convert to fraction form
    73,551.71/110,327.61 = 51,408.32/x
  3. Step 3: Cross multiply
    73,551.71x = 110,327.61 × 51,408.32
  4. Step 4: Simplify right side
    73,551.71x = 5,671,757,079.72
  5. Step 5: Solve for x
    x = 5,671,757,079.72/73,551.71
  6. Step 6: Final answer
    x = 77,112.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.