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Finding the Fourth Proportional to 61,336.80, 92,059.20 and 36,345.60

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Solution

The fourth proportional to 61,336.80, 92,059.20 and 36,345.60 is: 54,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,336.80 : 92,059.20 = 36,345.60 : x
  2. Step 2: Convert to fraction form
    61,336.80/92,059.20 = 36,345.60/x
  3. Step 3: Cross multiply
    61,336.80x = 92,059.20 × 36,345.60
  4. Step 4: Simplify right side
    61,336.80x = 3,345,946,859.52
  5. Step 5: Solve for x
    x = 3,345,946,859.52/61,336.80
  6. Step 6: Final answer
    x = 54,550.40

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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.