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Finding the Fourth Proportional to 111,079.80, 166,473.90 and 44,465.40

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Solution

The fourth proportional to 111,079.80, 166,473.90 and 44,465.40 is: 66,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,079.80 : 166,473.90 = 44,465.40 : x
  2. Step 2: Convert to fraction form
    111,079.80/166,473.90 = 44,465.40/x
  3. Step 3: Cross multiply
    111,079.80x = 166,473.90 × 44,465.40
  4. Step 4: Simplify right side
    111,079.80x = 7,402,328,553.06
  5. Step 5: Solve for x
    x = 7,402,328,553.06/111,079.80
  6. Step 6: Final answer
    x = 66,639.74

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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.