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Finding the Fourth Proportional to 79,877.72, 119,835.02 and 23,716.58

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Solution

The fourth proportional to 79,877.72, 119,835.02 and 23,716.58 is: 35,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,877.72 : 119,835.02 = 23,716.58 : x
  2. Step 2: Convert to fraction form
    79,877.72/119,835.02 = 23,716.58/x
  3. Step 3: Cross multiply
    79,877.72x = 119,835.02 × 23,716.58
  4. Step 4: Simplify right side
    79,877.72x = 2,842,076,838.63
  5. Step 5: Solve for x
    x = 2,842,076,838.63/79,877.72
  6. Step 6: Final answer
    x = 35,580.35

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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.