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Finding the Fourth Proportional to 92,908.68, 139,267.66 and 36,725.96

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Solution

The fourth proportional to 92,908.68, 139,267.66 and 36,725.96 is: 55,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,908.68 : 139,267.66 = 36,725.96 : x
  2. Step 2: Convert to fraction form
    92,908.68/139,267.66 = 36,725.96/x
  3. Step 3: Cross multiply
    92,908.68x = 139,267.66 × 36,725.96
  4. Step 4: Simplify right side
    92,908.68x = 5,114,738,510.45
  5. Step 5: Solve for x
    x = 5,114,738,510.45/92,908.68
  6. Step 6: Final answer
    x = 55,051.25

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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.