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Finding the Fourth Proportional to 101,168.20, 151,630.80 and 41,973.40

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Solution

The fourth proportional to 101,168.20, 151,630.80 and 41,973.40 is: 62,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,168.20 : 151,630.80 = 41,973.40 : x
  2. Step 2: Convert to fraction form
    101,168.20/151,630.80 = 41,973.40/x
  3. Step 3: Cross multiply
    101,168.20x = 151,630.80 × 41,973.40
  4. Step 4: Simplify right side
    101,168.20x = 6,364,460,220.72
  5. Step 5: Solve for x
    x = 6,364,460,220.72/101,168.20
  6. Step 6: Final answer
    x = 62,909.69

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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.