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Finding the Fourth Proportional to 61,030.91, 91,648.19 and 41,168.39

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Solution

The fourth proportional to 61,030.91, 91,648.19 and 41,168.39 is: 61,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,030.91 : 91,648.19 = 41,168.39 : x
  2. Step 2: Convert to fraction form
    61,030.91/91,648.19 = 41,168.39/x
  3. Step 3: Cross multiply
    61,030.91x = 91,648.19 × 41,168.39
  4. Step 4: Simplify right side
    61,030.91x = 3,773,008,428.71
  5. Step 5: Solve for x
    x = 3,773,008,428.71/61,030.91
  6. Step 6: Final answer
    x = 61,821.27

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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.