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Finding the Fourth Proportional to 79,480.64, 119,253.60 and 37,901.12

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Solution

The fourth proportional to 79,480.64, 119,253.60 and 37,901.12 is: 56,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,480.64 : 119,253.60 = 37,901.12 : x
  2. Step 2: Convert to fraction form
    79,480.64/119,253.60 = 37,901.12/x
  3. Step 3: Cross multiply
    79,480.64x = 119,253.60 × 37,901.12
  4. Step 4: Simplify right side
    79,480.64x = 4,519,845,004.03
  5. Step 5: Solve for x
    x = 4,519,845,004.03/79,480.64
  6. Step 6: Final answer
    x = 56,867.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.