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Finding the Fourth Proportional to 124,314.60, 186,471.90 and 41,208.60

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Solution

The fourth proportional to 124,314.60, 186,471.90 and 41,208.60 is: 61,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,314.60 : 186,471.90 = 41,208.60 : x
  2. Step 2: Convert to fraction form
    124,314.60/186,471.90 = 41,208.60/x
  3. Step 3: Cross multiply
    124,314.60x = 186,471.90 × 41,208.60
  4. Step 4: Simplify right side
    124,314.60x = 7,684,245,938.34
  5. Step 5: Solve for x
    x = 7,684,245,938.34/124,314.60
  6. Step 6: Final answer
    x = 61,812.90

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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.