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Finding the Fourth Proportional to 100,746.36, 151,086.88 and 33,263.22

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Solution

The fourth proportional to 100,746.36, 151,086.88 and 33,263.22 is: 49,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,746.36 : 151,086.88 = 33,263.22 : x
  2. Step 2: Convert to fraction form
    100,746.36/151,086.88 = 33,263.22/x
  3. Step 3: Cross multiply
    100,746.36x = 151,086.88 × 33,263.22
  4. Step 4: Simplify right side
    100,746.36x = 5,025,636,128.55
  5. Step 5: Solve for x
    x = 5,025,636,128.55/100,746.36
  6. Step 6: Final answer
    x = 49,884.05

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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.