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Finding the Fourth Proportional to 100,937.54, 151,407.53 and 43,227.02

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Solution

The fourth proportional to 100,937.54, 151,407.53 and 43,227.02 is: 64,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,937.54 : 151,407.53 = 43,227.02 : x
  2. Step 2: Convert to fraction form
    100,937.54/151,407.53 = 43,227.02/x
  3. Step 3: Cross multiply
    100,937.54x = 151,407.53 × 43,227.02
  4. Step 4: Simplify right side
    100,937.54x = 6,544,895,800.28
  5. Step 5: Solve for x
    x = 6,544,895,800.28/100,937.54
  6. Step 6: Final answer
    x = 64,841.05

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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.