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Finding the Fourth Proportional to 129,104.94, 193,657.27 and 44,865.11

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Solution

The fourth proportional to 129,104.94, 193,657.27 and 44,865.11 is: 67,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,104.94 : 193,657.27 = 44,865.11 : x
  2. Step 2: Convert to fraction form
    129,104.94/193,657.27 = 44,865.11/x
  3. Step 3: Cross multiply
    129,104.94x = 193,657.27 × 44,865.11
  4. Step 4: Simplify right side
    129,104.94x = 8,688,455,008.71
  5. Step 5: Solve for x
    x = 8,688,455,008.71/129,104.94
  6. Step 6: Final answer
    x = 67,297.62

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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.