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Finding the Fourth Proportional to 70,605.25, 105,951.65 and 41,037.01

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Solution

The fourth proportional to 70,605.25, 105,951.65 and 41,037.01 is: 61,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,605.25 : 105,951.65 = 41,037.01 : x
  2. Step 2: Convert to fraction form
    70,605.25/105,951.65 = 41,037.01/x
  3. Step 3: Cross multiply
    70,605.25x = 105,951.65 × 41,037.01
  4. Step 4: Simplify right side
    70,605.25x = 4,347,938,920.57
  5. Step 5: Solve for x
    x = 4,347,938,920.57/70,605.25
  6. Step 6: Final answer
    x = 61,580.96

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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.