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Finding the Fourth Proportional to 82,788.96, 124,199.36 and 32,859.20

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Solution

The fourth proportional to 82,788.96, 124,199.36 and 32,859.20 is: 49,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,788.96 : 124,199.36 = 32,859.20 : x
  2. Step 2: Convert to fraction form
    82,788.96/124,199.36 = 32,859.20/x
  3. Step 3: Cross multiply
    82,788.96x = 124,199.36 × 32,859.20
  4. Step 4: Simplify right side
    82,788.96x = 4,081,091,610.11
  5. Step 5: Solve for x
    x = 4,081,091,610.11/82,788.96
  6. Step 6: Final answer
    x = 49,295.12

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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.