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Finding the Fourth Proportional to 165,908.86, 228,973.64 and 94,299.69

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Solution

The fourth proportional to 165,908.86, 228,973.64 and 94,299.69 is: 130,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,908.86 : 228,973.64 = 94,299.69 : x
  2. Step 2: Convert to fraction form
    165,908.86/228,973.64 = 94,299.69/x
  3. Step 3: Cross multiply
    165,908.86x = 228,973.64 × 94,299.69
  4. Step 4: Simplify right side
    165,908.86x = 21,592,143,657.32
  5. Step 5: Solve for x
    x = 21,592,143,657.32/165,908.86
  6. Step 6: Final answer
    x = 130,144.61

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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.