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Finding the Fourth Proportional to 124,302.60, 186,453.90 and 41,196.60

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Solution

The fourth proportional to 124,302.60, 186,453.90 and 41,196.60 is: 61,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,302.60 : 186,453.90 = 41,196.60 : x
  2. Step 2: Convert to fraction form
    124,302.60/186,453.90 = 41,196.60/x
  3. Step 3: Cross multiply
    124,302.60x = 186,453.90 × 41,196.60
  4. Step 4: Simplify right side
    124,302.60x = 7,681,266,736.74
  5. Step 5: Solve for x
    x = 7,681,266,736.74/124,302.60
  6. Step 6: Final answer
    x = 61,794.90

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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.