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Finding the Fourth Proportional to 100,806.40, 151,203.52 and 44,630.08

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Solution

The fourth proportional to 100,806.40, 151,203.52 and 44,630.08 is: 66,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,806.40 : 151,203.52 = 44,630.08 : x
  2. Step 2: Convert to fraction form
    100,806.40/151,203.52 = 44,630.08/x
  3. Step 3: Cross multiply
    100,806.40x = 151,203.52 × 44,630.08
  4. Step 4: Simplify right side
    100,806.40x = 6,748,225,193.88
  5. Step 5: Solve for x
    x = 6,748,225,193.88/100,806.40
  6. Step 6: Final answer
    x = 66,942.43

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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.