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Finding the Fourth Proportional to 165,878.62, 228,671.06 and 131,900.84

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Solution

The fourth proportional to 165,878.62, 228,671.06 and 131,900.84 is: 181,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,878.62 : 228,671.06 = 131,900.84 : x
  2. Step 2: Convert to fraction form
    165,878.62/228,671.06 = 131,900.84/x
  3. Step 3: Cross multiply
    165,878.62x = 228,671.06 × 131,900.84
  4. Step 4: Simplify right side
    165,878.62x = 30,161,904,897.69
  5. Step 5: Solve for x
    x = 30,161,904,897.69/165,878.62
  6. Step 6: Final answer
    x = 181,831.18

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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.