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Finding the Fourth Proportional to 61,855.55, 92,907.60 and 60,111.41

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Solution

The fourth proportional to 61,855.55, 92,907.60 and 60,111.41 is: 90,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,855.55 : 92,907.60 = 60,111.41 : x
  2. Step 2: Convert to fraction form
    61,855.55/92,907.60 = 60,111.41/x
  3. Step 3: Cross multiply
    61,855.55x = 92,907.60 × 60,111.41
  4. Step 4: Simplify right side
    61,855.55x = 5,584,806,835.72
  5. Step 5: Solve for x
    x = 5,584,806,835.72/61,855.55
  6. Step 6: Final answer
    x = 90,287.89

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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.