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Finding the Fourth Proportional to 159,098.44, 219,556.66 and 87,483.08

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Solution

The fourth proportional to 159,098.44, 219,556.66 and 87,483.08 is: 120,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,098.44 : 219,556.66 = 87,483.08 : x
  2. Step 2: Convert to fraction form
    159,098.44/219,556.66 = 87,483.08/x
  3. Step 3: Cross multiply
    159,098.44x = 219,556.66 × 87,483.08
  4. Step 4: Simplify right side
    159,098.44x = 19,207,492,851.31
  5. Step 5: Solve for x
    x = 19,207,492,851.31/159,098.44
  6. Step 6: Final answer
    x = 120,727.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.