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Finding the Fourth Proportional to 86,924.96, 119,952.26 and 53,384.48

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Solution

The fourth proportional to 86,924.96, 119,952.26 and 53,384.48 is: 73,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,924.96 : 119,952.26 = 53,384.48 : x
  2. Step 2: Convert to fraction form
    86,924.96/119,952.26 = 53,384.48/x
  3. Step 3: Cross multiply
    86,924.96x = 119,952.26 × 53,384.48
  4. Step 4: Simplify right side
    86,924.96x = 6,403,589,024.92
  5. Step 5: Solve for x
    x = 6,403,589,024.92/86,924.96
  6. Step 6: Final answer
    x = 73,668.01

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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.