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Finding the Fourth Proportional to 46,050.60, 68,978.70 and 41,125.80

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Solution

The fourth proportional to 46,050.60, 68,978.70 and 41,125.80 is: 61,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,050.60 : 68,978.70 = 41,125.80 : x
  2. Step 2: Convert to fraction form
    46,050.60/68,978.70 = 41,125.80/x
  3. Step 3: Cross multiply
    46,050.60x = 68,978.70 × 41,125.80
  4. Step 4: Simplify right side
    46,050.60x = 2,836,804,220.46
  5. Step 5: Solve for x
    x = 2,836,804,220.46/46,050.60
  6. Step 6: Final answer
    x = 61,601.89

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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.