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Finding the Fourth Proportional to 114,664.14, 158,311.46 and 74,492.39

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Solution

The fourth proportional to 114,664.14, 158,311.46 and 74,492.39 is: 102,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,664.14 : 158,311.46 = 74,492.39 : x
  2. Step 2: Convert to fraction form
    114,664.14/158,311.46 = 74,492.39/x
  3. Step 3: Cross multiply
    114,664.14x = 158,311.46 × 74,492.39
  4. Step 4: Simplify right side
    114,664.14x = 11,792,999,019.79
  5. Step 5: Solve for x
    x = 11,792,999,019.79/114,664.14
  6. Step 6: Final answer
    x = 102,848.19

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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.