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Finding the Fourth Proportional to 162,737.39, 244,012.53 and 86,742.32

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Solution

The fourth proportional to 162,737.39, 244,012.53 and 86,742.32 is: 130,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,737.39 : 244,012.53 = 86,742.32 : x
  2. Step 2: Convert to fraction form
    162,737.39/244,012.53 = 86,742.32/x
  3. Step 3: Cross multiply
    162,737.39x = 244,012.53 × 86,742.32
  4. Step 4: Simplify right side
    162,737.39x = 21,166,212,961.27
  5. Step 5: Solve for x
    x = 21,166,212,961.27/162,737.39
  6. Step 6: Final answer
    x = 130,063.61

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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.