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Finding the Fourth Proportional to 79,554.32, 119,355.16 and 32,810

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Solution

The fourth proportional to 79,554.32, 119,355.16 and 32,810 is: 49,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,554.32 : 119,355.16 = 32,810 : x
  2. Step 2: Convert to fraction form
    79,554.32/119,355.16 = 32,810/x
  3. Step 3: Cross multiply
    79,554.32x = 119,355.16 × 32,810
  4. Step 4: Simplify right side
    79,554.32x = 3,916,042,799.60
  5. Step 5: Solve for x
    x = 3,916,042,799.60/79,554.32
  6. Step 6: Final answer
    x = 49,224.77

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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.