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Finding the Fourth Proportional to 207,150.35, 310,712.76 and 74,024.01

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Solution

The fourth proportional to 207,150.35, 310,712.76 and 74,024.01 is: 111,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,150.35 : 310,712.76 = 74,024.01 : x
  2. Step 2: Convert to fraction form
    207,150.35/310,712.76 = 74,024.01/x
  3. Step 3: Cross multiply
    207,150.35x = 310,712.76 × 74,024.01
  4. Step 4: Simplify right side
    207,150.35x = 23,000,204,453.37
  5. Step 5: Solve for x
    x = 23,000,204,453.37/207,150.35
  6. Step 6: Final answer
    x = 111,031.46

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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.