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Finding the Fourth Proportional to 88,694.10, 133,041.15 and 57,201.30

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Solution

The fourth proportional to 88,694.10, 133,041.15 and 57,201.30 is: 85,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,694.10 : 133,041.15 = 57,201.30 : x
  2. Step 2: Convert to fraction form
    88,694.10/133,041.15 = 57,201.30/x
  3. Step 3: Cross multiply
    88,694.10x = 133,041.15 × 57,201.30
  4. Step 4: Simplify right side
    88,694.10x = 7,610,126,733.50
  5. Step 5: Solve for x
    x = 7,610,126,733.50/88,694.10
  6. Step 6: Final answer
    x = 85,801.95

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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.