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Finding the Fourth Proportional to 168,750.60, 253,130.49 and 73,932

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Solution

The fourth proportional to 168,750.60, 253,130.49 and 73,932 is: 110,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,750.60 : 253,130.49 = 73,932 : x
  2. Step 2: Convert to fraction form
    168,750.60/253,130.49 = 73,932/x
  3. Step 3: Cross multiply
    168,750.60x = 253,130.49 × 73,932
  4. Step 4: Simplify right side
    168,750.60x = 18,714,443,386.68
  5. Step 5: Solve for x
    x = 18,714,443,386.68/168,750.60
  6. Step 6: Final answer
    x = 110,900.01

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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.