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Finding the Fourth Proportional to 124,294.40, 186,465.90 and 49,401.80

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Solution

The fourth proportional to 124,294.40, 186,465.90 and 49,401.80 is: 74,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,294.40 : 186,465.90 = 49,401.80 : x
  2. Step 2: Convert to fraction form
    124,294.40/186,465.90 = 49,401.80/x
  3. Step 3: Cross multiply
    124,294.40x = 186,465.90 × 49,401.80
  4. Step 4: Simplify right side
    124,294.40x = 9,211,751,098.62
  5. Step 5: Solve for x
    x = 9,211,751,098.62/124,294.40
  6. Step 6: Final answer
    x = 74,112.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.