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Finding the Fourth Proportional to 79,715.52, 110,007.36 and 43,904.64

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Solution

The fourth proportional to 79,715.52, 110,007.36 and 43,904.64 is: 60,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,715.52 : 110,007.36 = 43,904.64 : x
  2. Step 2: Convert to fraction form
    79,715.52/110,007.36 = 43,904.64/x
  3. Step 3: Cross multiply
    79,715.52x = 110,007.36 × 43,904.64
  4. Step 4: Simplify right side
    79,715.52x = 4,829,833,538.15
  5. Step 5: Solve for x
    x = 4,829,833,538.15/79,715.52
  6. Step 6: Final answer
    x = 60,588.37

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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.