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Finding the Fourth Proportional to 62,276.80, 93,415.20 and 61,693.60

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Solution

The fourth proportional to 62,276.80, 93,415.20 and 61,693.60 is: 92,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,276.80 : 93,415.20 = 61,693.60 : x
  2. Step 2: Convert to fraction form
    62,276.80/93,415.20 = 61,693.60/x
  3. Step 3: Cross multiply
    62,276.80x = 93,415.20 × 61,693.60
  4. Step 4: Simplify right side
    62,276.80x = 5,763,119,982.72
  5. Step 5: Solve for x
    x = 5,763,119,982.72/62,276.80
  6. Step 6: Final answer
    x = 92,540.40

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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.