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Finding the Fourth Proportional to 61,809.65, 92,548.41 and 50,848.68

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Solution

The fourth proportional to 61,809.65, 92,548.41 and 50,848.68 is: 76,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809.65 : 92,548.41 = 50,848.68 : x
  2. Step 2: Convert to fraction form
    61,809.65/92,548.41 = 50,848.68/x
  3. Step 3: Cross multiply
    61,809.65x = 92,548.41 × 50,848.68
  4. Step 4: Simplify right side
    61,809.65x = 4,705,964,640.97
  5. Step 5: Solve for x
    x = 4,705,964,640.97/61,809.65
  6. Step 6: Final answer
    x = 76,136.40

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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.