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Finding the Fourth Proportional to 86,894.78, 119,924.87 and 52,923.17

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Solution

The fourth proportional to 86,894.78, 119,924.87 and 52,923.17 is: 73,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,894.78 : 119,924.87 = 52,923.17 : x
  2. Step 2: Convert to fraction form
    86,894.78/119,924.87 = 52,923.17/x
  3. Step 3: Cross multiply
    86,894.78x = 119,924.87 × 52,923.17
  4. Step 4: Simplify right side
    86,894.78x = 6,346,803,418.00
  5. Step 5: Solve for x
    x = 6,346,803,418.00/86,894.78
  6. Step 6: Final answer
    x = 73,040.10

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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.