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Finding the Fourth Proportional to 168,188.76, 232,101.18 and 101,121.88

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Solution

The fourth proportional to 168,188.76, 232,101.18 and 101,121.88 is: 139,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,188.76 : 232,101.18 = 101,121.88 : x
  2. Step 2: Convert to fraction form
    168,188.76/232,101.18 = 101,121.88/x
  3. Step 3: Cross multiply
    168,188.76x = 232,101.18 × 101,121.88
  4. Step 4: Simplify right side
    168,188.76x = 23,470,507,671.82
  5. Step 5: Solve for x
    x = 23,470,507,671.82/168,188.76
  6. Step 6: Final answer
    x = 139,548.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.