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Finding the Fourth Proportional to 103,482.72, 155,229.57 and 44,258.76

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Solution

The fourth proportional to 103,482.72, 155,229.57 and 44,258.76 is: 66,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,482.72 : 155,229.57 = 44,258.76 : x
  2. Step 2: Convert to fraction form
    103,482.72/155,229.57 = 44,258.76/x
  3. Step 3: Cross multiply
    103,482.72x = 155,229.57 × 44,258.76
  4. Step 4: Simplify right side
    103,482.72x = 6,870,268,283.53
  5. Step 5: Solve for x
    x = 6,870,268,283.53/103,482.72
  6. Step 6: Final answer
    x = 66,390.49

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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.