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Finding the Fourth Proportional to 79,097.37, 109,153.55 and 45,111.39

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Solution

The fourth proportional to 79,097.37, 109,153.55 and 45,111.39 is: 62,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,097.37 : 109,153.55 = 45,111.39 : x
  2. Step 2: Convert to fraction form
    79,097.37/109,153.55 = 45,111.39/x
  3. Step 3: Cross multiply
    79,097.37x = 109,153.55 × 45,111.39
  4. Step 4: Simplify right side
    79,097.37x = 4,924,068,138.38
  5. Step 5: Solve for x
    x = 4,924,068,138.38/79,097.37
  6. Step 6: Final answer
    x = 62,253.25

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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.