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Finding the Fourth Proportional to 84,960.66, 117,232.85 and 48,656.46

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Solution

The fourth proportional to 84,960.66, 117,232.85 and 48,656.46 is: 67,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,960.66 : 117,232.85 = 48,656.46 : x
  2. Step 2: Convert to fraction form
    84,960.66/117,232.85 = 48,656.46/x
  3. Step 3: Cross multiply
    84,960.66x = 117,232.85 × 48,656.46
  4. Step 4: Simplify right side
    84,960.66x = 5,704,135,476.71
  5. Step 5: Solve for x
    x = 5,704,135,476.71/84,960.66
  6. Step 6: Final answer
    x = 67,138.55

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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.