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Finding the Fourth Proportional to 61,253.37, 91,957.82 and 52,077.69

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Solution

The fourth proportional to 61,253.37, 91,957.82 and 52,077.69 is: 78,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,253.37 : 91,957.82 = 52,077.69 : x
  2. Step 2: Convert to fraction form
    61,253.37/91,957.82 = 52,077.69/x
  3. Step 3: Cross multiply
    61,253.37x = 91,957.82 × 52,077.69
  4. Step 4: Simplify right side
    61,253.37x = 4,788,950,582.65
  5. Step 5: Solve for x
    x = 4,788,950,582.65/61,253.37
  6. Step 6: Final answer
    x = 78,182.65

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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.