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Finding the Fourth Proportional to 92,095.92, 138,143.79 and 36,730.80

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Solution

The fourth proportional to 92,095.92, 138,143.79 and 36,730.80 is: 55,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,095.92 : 138,143.79 = 36,730.80 : x
  2. Step 2: Convert to fraction form
    92,095.92/138,143.79 = 36,730.80/x
  3. Step 3: Cross multiply
    92,095.92x = 138,143.79 × 36,730.80
  4. Step 4: Simplify right side
    92,095.92x = 5,074,131,921.73
  5. Step 5: Solve for x
    x = 5,074,131,921.73/92,095.92
  6. Step 6: Final answer
    x = 55,096.16

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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.