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Finding the Fourth Proportional to 79,994.52, 110,394.09 and 48,156.66

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Solution

The fourth proportional to 79,994.52, 110,394.09 and 48,156.66 is: 66,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,994.52 : 110,394.09 = 48,156.66 : x
  2. Step 2: Convert to fraction form
    79,994.52/110,394.09 = 48,156.66/x
  3. Step 3: Cross multiply
    79,994.52x = 110,394.09 × 48,156.66
  4. Step 4: Simplify right side
    79,994.52x = 5,316,210,658.14
  5. Step 5: Solve for x
    x = 5,316,210,658.14/79,994.52
  6. Step 6: Final answer
    x = 66,457.19

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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.