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Finding the Fourth Proportional to 86,996.87, 130,498.01 and 41,394.57

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Solution

The fourth proportional to 86,996.87, 130,498.01 and 41,394.57 is: 62,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,996.87 : 130,498.01 = 41,394.57 : x
  2. Step 2: Convert to fraction form
    86,996.87/130,498.01 = 41,394.57/x
  3. Step 3: Cross multiply
    86,996.87x = 130,498.01 × 41,394.57
  4. Step 4: Simplify right side
    86,996.87x = 5,401,908,802.83
  5. Step 5: Solve for x
    x = 5,401,908,802.83/86,996.87
  6. Step 6: Final answer
    x = 62,093.14

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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.