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Finding the Fourth Proportional to 207,029.60, 310,610.02 and 73,907

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Solution

The fourth proportional to 207,029.60, 310,610.02 and 73,907 is: 110,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,029.60 : 310,610.02 = 73,907 : x
  2. Step 2: Convert to fraction form
    207,029.60/310,610.02 = 73,907/x
  3. Step 3: Cross multiply
    207,029.60x = 310,610.02 × 73,907
  4. Step 4: Simplify right side
    207,029.60x = 22,956,254,748.14
  5. Step 5: Solve for x
    x = 22,956,254,748.14/207,029.60
  6. Step 6: Final answer
    x = 110,883.93

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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.