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Finding the Fourth Proportional to 61,842.56, 92,762.01 and 53,497.94

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Solution

The fourth proportional to 61,842.56, 92,762.01 and 53,497.94 is: 80,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,842.56 : 92,762.01 = 53,497.94 : x
  2. Step 2: Convert to fraction form
    61,842.56/92,762.01 = 53,497.94/x
  3. Step 3: Cross multiply
    61,842.56x = 92,762.01 × 53,497.94
  4. Step 4: Simplify right side
    61,842.56x = 4,962,575,981.45
  5. Step 5: Solve for x
    x = 4,962,575,981.45/61,842.56
  6. Step 6: Final answer
    x = 80,245.33

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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.