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Finding the Fourth Proportional to 77,937.44, 116,923.48 and 36,361.76

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Solution

The fourth proportional to 77,937.44, 116,923.48 and 36,361.76 is: 54,550.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,937.44 : 116,923.48 = 36,361.76 : x
  2. Step 2: Convert to fraction form
    77,937.44/116,923.48 = 36,361.76/x
  3. Step 3: Cross multiply
    77,937.44x = 116,923.48 × 36,361.76
  4. Step 4: Simplify right side
    77,937.44x = 4,251,543,518.12
  5. Step 5: Solve for x
    x = 4,251,543,518.12/77,937.44
  6. Step 6: Final answer
    x = 54,550.72

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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.