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Finding the Fourth Proportional to 79,575.72, 119,243.30 and 53,233.32

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Solution

The fourth proportional to 79,575.72, 119,243.30 and 53,233.32 is: 79,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,575.72 : 119,243.30 = 53,233.32 : x
  2. Step 2: Convert to fraction form
    79,575.72/119,243.30 = 53,233.32/x
  3. Step 3: Cross multiply
    79,575.72x = 119,243.30 × 53,233.32
  4. Step 4: Simplify right side
    79,575.72x = 6,347,716,746.76
  5. Step 5: Solve for x
    x = 6,347,716,746.76/79,575.72
  6. Step 6: Final answer
    x = 79,769.52

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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.