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Finding the Fourth Proportional to 88,465.40, 132,698.10 and 29,310.20

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Solution

The fourth proportional to 88,465.40, 132,698.10 and 29,310.20 is: 43,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,465.40 : 132,698.10 = 29,310.20 : x
  2. Step 2: Convert to fraction form
    88,465.40/132,698.10 = 29,310.20/x
  3. Step 3: Cross multiply
    88,465.40x = 132,698.10 × 29,310.20
  4. Step 4: Simplify right side
    88,465.40x = 3,889,407,850.62
  5. Step 5: Solve for x
    x = 3,889,407,850.62/88,465.40
  6. Step 6: Final answer
    x = 43,965.30

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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.