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Finding the Fourth Proportional to 162,893.20, 244,253.40 and 57,715.60

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Solution

The fourth proportional to 162,893.20, 244,253.40 and 57,715.60 is: 86,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,893.20 : 244,253.40 = 57,715.60 : x
  2. Step 2: Convert to fraction form
    162,893.20/244,253.40 = 57,715.60/x
  3. Step 3: Cross multiply
    162,893.20x = 244,253.40 × 57,715.60
  4. Step 4: Simplify right side
    162,893.20x = 14,097,231,533.04
  5. Step 5: Solve for x
    x = 14,097,231,533.04/162,893.20
  6. Step 6: Final answer
    x = 86,542.79

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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.