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Finding the Fourth Proportional to 160,788.75, 241,173.37 and 72,018.42

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Solution

The fourth proportional to 160,788.75, 241,173.37 and 72,018.42 is: 108,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,788.75 : 241,173.37 = 72,018.42 : x
  2. Step 2: Convert to fraction form
    160,788.75/241,173.37 = 72,018.42/x
  3. Step 3: Cross multiply
    160,788.75x = 241,173.37 × 72,018.42
  4. Step 4: Simplify right side
    160,788.75x = 17,368,925,053.48
  5. Step 5: Solve for x
    x = 17,368,925,053.48/160,788.75
  6. Step 6: Final answer
    x = 108,023.26

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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.