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Finding the Fourth Proportional to 117,998.59, 162,836.16 and 64,284.25

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Solution

The fourth proportional to 117,998.59, 162,836.16 and 64,284.25 is: 88,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,998.59 : 162,836.16 = 64,284.25 : x
  2. Step 2: Convert to fraction form
    117,998.59/162,836.16 = 64,284.25/x
  3. Step 3: Cross multiply
    117,998.59x = 162,836.16 × 64,284.25
  4. Step 4: Simplify right side
    117,998.59x = 10,467,800,418.48
  5. Step 5: Solve for x
    x = 10,467,800,418.48/117,998.59
  6. Step 6: Final answer
    x = 88,711.23

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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.