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Finding the Fourth Proportional to 58,709.54, 88,078.88 and 17,156.54

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Solution

The fourth proportional to 58,709.54, 88,078.88 and 17,156.54 is: 25,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,709.54 : 88,078.88 = 17,156.54 : x
  2. Step 2: Convert to fraction form
    58,709.54/88,078.88 = 17,156.54/x
  3. Step 3: Cross multiply
    58,709.54x = 88,078.88 × 17,156.54
  4. Step 4: Simplify right side
    58,709.54x = 1,511,128,301.70
  5. Step 5: Solve for x
    x = 1,511,128,301.70/58,709.54
  6. Step 6: Final answer
    x = 25,739.06

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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.