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Finding the Fourth Proportional to 84,886.47, 117,146.49 and 50,900.49

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Solution

The fourth proportional to 84,886.47, 117,146.49 and 50,900.49 is: 70,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,886.47 : 117,146.49 = 50,900.49 : x
  2. Step 2: Convert to fraction form
    84,886.47/117,146.49 = 50,900.49/x
  3. Step 3: Cross multiply
    84,886.47x = 117,146.49 × 50,900.49
  4. Step 4: Simplify right side
    84,886.47x = 5,962,813,742.78
  5. Step 5: Solve for x
    x = 5,962,813,742.78/84,886.47
  6. Step 6: Final answer
    x = 70,244.57

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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.