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Finding the Fourth Proportional to 150,762.60, 207,995.04 and 89,495.28

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Solution

The fourth proportional to 150,762.60, 207,995.04 and 89,495.28 is: 123,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,762.60 : 207,995.04 = 89,495.28 : x
  2. Step 2: Convert to fraction form
    150,762.60/207,995.04 = 89,495.28/x
  3. Step 3: Cross multiply
    150,762.60x = 207,995.04 × 89,495.28
  4. Step 4: Simplify right side
    150,762.60x = 18,614,574,343.41
  5. Step 5: Solve for x
    x = 18,614,574,343.41/150,762.60
  6. Step 6: Final answer
    x = 123,469.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.