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Finding the Fourth Proportional to 84,661.68, 116,844.99 and 52,406.64

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Solution

The fourth proportional to 84,661.68, 116,844.99 and 52,406.64 is: 72,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,661.68 : 116,844.99 = 52,406.64 : x
  2. Step 2: Convert to fraction form
    84,661.68/116,844.99 = 52,406.64/x
  3. Step 3: Cross multiply
    84,661.68x = 116,844.99 × 52,406.64
  4. Step 4: Simplify right side
    84,661.68x = 6,123,453,326.73
  5. Step 5: Solve for x
    x = 6,123,453,326.73/84,661.68
  6. Step 6: Final answer
    x = 72,328.51

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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.