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Finding the Fourth Proportional to 115,391.40, 173,135.70 and 62,838.60

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Solution

The fourth proportional to 115,391.40, 173,135.70 and 62,838.60 is: 94,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,391.40 : 173,135.70 = 62,838.60 : x
  2. Step 2: Convert to fraction form
    115,391.40/173,135.70 = 62,838.60/x
  3. Step 3: Cross multiply
    115,391.40x = 173,135.70 × 62,838.60
  4. Step 4: Simplify right side
    115,391.40x = 10,879,604,998.02
  5. Step 5: Solve for x
    x = 10,879,604,998.02/115,391.40
  6. Step 6: Final answer
    x = 94,284.37

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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.