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Finding the Fourth Proportional to 79,719.02, 110,017.22 and 43,909.02

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Solution

The fourth proportional to 79,719.02, 110,017.22 and 43,909.02 is: 60,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719.02 : 110,017.22 = 43,909.02 : x
  2. Step 2: Convert to fraction form
    79,719.02/110,017.22 = 43,909.02/x
  3. Step 3: Cross multiply
    79,719.02x = 110,017.22 × 43,909.02
  4. Step 4: Simplify right side
    79,719.02x = 4,830,748,313.32
  5. Step 5: Solve for x
    x = 4,830,748,313.32/79,719.02
  6. Step 6: Final answer
    x = 60,597.19

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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.