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Finding the Fourth Proportional to 111,804.84, 167,662.14 and 45,232.68

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Solution

The fourth proportional to 111,804.84, 167,662.14 and 45,232.68 is: 67,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,804.84 : 167,662.14 = 45,232.68 : x
  2. Step 2: Convert to fraction form
    111,804.84/167,662.14 = 45,232.68/x
  3. Step 3: Cross multiply
    111,804.84x = 167,662.14 × 45,232.68
  4. Step 4: Simplify right side
    111,804.84x = 7,583,807,926.74
  5. Step 5: Solve for x
    x = 7,583,807,926.74/111,804.84
  6. Step 6: Final answer
    x = 67,830.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.