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Finding the Fourth Proportional to 53,862.87, 74,168.43 and 50,706.72

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Solution

The fourth proportional to 53,862.87, 74,168.43 and 50,706.72 is: 69,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.87 : 74,168.43 = 50,706.72 : x
  2. Step 2: Convert to fraction form
    53,862.87/74,168.43 = 50,706.72/x
  3. Step 3: Cross multiply
    53,862.87x = 74,168.43 × 50,706.72
  4. Step 4: Simplify right side
    53,862.87x = 3,760,837,812.85
  5. Step 5: Solve for x
    x = 3,760,837,812.85/53,862.87
  6. Step 6: Final answer
    x = 69,822.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.