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Finding the Fourth Proportional to 85,264.92, 127,673.64 and 60,168.96

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Solution

The fourth proportional to 85,264.92, 127,673.64 and 60,168.96 is: 90,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,264.92 : 127,673.64 = 60,168.96 : x
  2. Step 2: Convert to fraction form
    85,264.92/127,673.64 = 60,168.96/x
  3. Step 3: Cross multiply
    85,264.92x = 127,673.64 × 60,168.96
  4. Step 4: Simplify right side
    85,264.92x = 7,681,990,138.21
  5. Step 5: Solve for x
    x = 7,681,990,138.21/85,264.92
  6. Step 6: Final answer
    x = 90,095.55

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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.