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Finding the Fourth Proportional to 165,086.10, 247,629.15 and 164,101.95

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Solution

The fourth proportional to 165,086.10, 247,629.15 and 164,101.95 is: 246,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,086.10 : 247,629.15 = 164,101.95 : x
  2. Step 2: Convert to fraction form
    165,086.10/247,629.15 = 164,101.95/x
  3. Step 3: Cross multiply
    165,086.10x = 247,629.15 × 164,101.95
  4. Step 4: Simplify right side
    165,086.10x = 40,636,426,391.84
  5. Step 5: Solve for x
    x = 40,636,426,391.84/165,086.10
  6. Step 6: Final answer
    x = 246,152.93

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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.