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Finding the Fourth Proportional to 165,957.30, 248,907.15 and 60,722.10

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Solution

The fourth proportional to 165,957.30, 248,907.15 and 60,722.10 is: 91,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,957.30 : 248,907.15 = 60,722.10 : x
  2. Step 2: Convert to fraction form
    165,957.30/248,907.15 = 60,722.10/x
  3. Step 3: Cross multiply
    165,957.30x = 248,907.15 × 60,722.10
  4. Step 4: Simplify right side
    165,957.30x = 15,114,164,853.02
  5. Step 5: Solve for x
    x = 15,114,164,853.02/165,957.30
  6. Step 6: Final answer
    x = 91,072.61

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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.