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Finding the Fourth Proportional to 61,364.60, 92,133.30 and 48,231.80

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Solution

The fourth proportional to 61,364.60, 92,133.30 and 48,231.80 is: 72,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,364.60 : 92,133.30 = 48,231.80 : x
  2. Step 2: Convert to fraction form
    61,364.60/92,133.30 = 48,231.80/x
  3. Step 3: Cross multiply
    61,364.60x = 92,133.30 × 48,231.80
  4. Step 4: Simplify right side
    61,364.60x = 4,443,754,898.94
  5. Step 5: Solve for x
    x = 4,443,754,898.94/61,364.60
  6. Step 6: Final answer
    x = 72,415.61

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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.