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Finding the Fourth Proportional to 157,053.44, 235,619.04 and 73,928

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Solution

The fourth proportional to 157,053.44, 235,619.04 and 73,928 is: 110,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,053.44 : 235,619.04 = 73,928 : x
  2. Step 2: Convert to fraction form
    157,053.44/235,619.04 = 73,928/x
  3. Step 3: Cross multiply
    157,053.44x = 235,619.04 × 73,928
  4. Step 4: Simplify right side
    157,053.44x = 17,418,844,389.12
  5. Step 5: Solve for x
    x = 17,418,844,389.12/157,053.44
  6. Step 6: Final answer
    x = 110,910.30

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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.