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Finding the Fourth Proportional to 59,090.20, 88,505.70 and 57,794.20

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Solution

The fourth proportional to 59,090.20, 88,505.70 and 57,794.20 is: 86,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,090.20 : 88,505.70 = 57,794.20 : x
  2. Step 2: Convert to fraction form
    59,090.20/88,505.70 = 57,794.20/x
  3. Step 3: Cross multiply
    59,090.20x = 88,505.70 × 57,794.20
  4. Step 4: Simplify right side
    59,090.20x = 5,115,116,126.94
  5. Step 5: Solve for x
    x = 5,115,116,126.94/59,090.20
  6. Step 6: Final answer
    x = 86,564.54

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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.