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Finding the Fourth Proportional to 76,652.26, 114,978.42 and 34,483.08

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Solution

The fourth proportional to 76,652.26, 114,978.42 and 34,483.08 is: 51,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,652.26 : 114,978.42 = 34,483.08 : x
  2. Step 2: Convert to fraction form
    76,652.26/114,978.42 = 34,483.08/x
  3. Step 3: Cross multiply
    76,652.26x = 114,978.42 × 34,483.08
  4. Step 4: Simplify right side
    76,652.26x = 3,964,810,486.30
  5. Step 5: Solve for x
    x = 3,964,810,486.30/76,652.26
  6. Step 6: Final answer
    x = 51,724.64

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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.