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Finding the Fourth Proportional to 76,924.08, 115,399.08 and 35,370

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Solution

The fourth proportional to 76,924.08, 115,399.08 and 35,370 is: 53,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,924.08 : 115,399.08 = 35,370 : x
  2. Step 2: Convert to fraction form
    76,924.08/115,399.08 = 35,370/x
  3. Step 3: Cross multiply
    76,924.08x = 115,399.08 × 35,370
  4. Step 4: Simplify right side
    76,924.08x = 4,081,665,459.60
  5. Step 5: Solve for x
    x = 4,081,665,459.60/76,924.08
  6. Step 6: Final answer
    x = 53,060.96

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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.