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Finding the Fourth Proportional to 85,797.84, 118,400.94 and 48,072.36

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Solution

The fourth proportional to 85,797.84, 118,400.94 and 48,072.36 is: 66,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,797.84 : 118,400.94 = 48,072.36 : x
  2. Step 2: Convert to fraction form
    85,797.84/118,400.94 = 48,072.36/x
  3. Step 3: Cross multiply
    85,797.84x = 118,400.94 × 48,072.36
  4. Step 4: Simplify right side
    85,797.84x = 5,691,812,612.02
  5. Step 5: Solve for x
    x = 5,691,812,612.02/85,797.84
  6. Step 6: Final answer
    x = 66,339.81

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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.