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Finding the Fourth Proportional to 88,019.40, 132,029.10 and 50,579.40

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Solution

The fourth proportional to 88,019.40, 132,029.10 and 50,579.40 is: 75,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,019.40 : 132,029.10 = 50,579.40 : x
  2. Step 2: Convert to fraction form
    88,019.40/132,029.10 = 50,579.40/x
  3. Step 3: Cross multiply
    88,019.40x = 132,029.10 × 50,579.40
  4. Step 4: Simplify right side
    88,019.40x = 6,677,952,660.54
  5. Step 5: Solve for x
    x = 6,677,952,660.54/88,019.40
  6. Step 6: Final answer
    x = 75,869.10

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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.