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Finding the Fourth Proportional to 79,795.88, 110,117.64 and 45,809.90

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Solution

The fourth proportional to 79,795.88, 110,117.64 and 45,809.90 is: 63,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,795.88 : 110,117.64 = 45,809.90 : x
  2. Step 2: Convert to fraction form
    79,795.88/110,117.64 = 45,809.90/x
  3. Step 3: Cross multiply
    79,795.88x = 110,117.64 × 45,809.90
  4. Step 4: Simplify right side
    79,795.88x = 5,044,478,076.64
  5. Step 5: Solve for x
    x = 5,044,478,076.64/79,795.88
  6. Step 6: Final answer
    x = 63,217.27

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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.