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Finding the Fourth Proportional to 118,025.08, 162,874.63 and 64,310.11

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Solution

The fourth proportional to 118,025.08, 162,874.63 and 64,310.11 is: 88,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,025.08 : 162,874.63 = 64,310.11 : x
  2. Step 2: Convert to fraction form
    118,025.08/162,874.63 = 64,310.11/x
  3. Step 3: Cross multiply
    118,025.08x = 162,874.63 × 64,310.11
  4. Step 4: Simplify right side
    118,025.08x = 10,474,485,371.51
  5. Step 5: Solve for x
    x = 10,474,485,371.51/118,025.08
  6. Step 6: Final answer
    x = 88,747.96

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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.