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Finding the Fourth Proportional to 111,479.90, 167,225.32 and 44,911

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Solution

The fourth proportional to 111,479.90, 167,225.32 and 44,911 is: 67,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,479.90 : 167,225.32 = 44,911 : x
  2. Step 2: Convert to fraction form
    111,479.90/167,225.32 = 44,911/x
  3. Step 3: Cross multiply
    111,479.90x = 167,225.32 × 44,911
  4. Step 4: Simplify right side
    111,479.90x = 7,510,256,346.52
  5. Step 5: Solve for x
    x = 7,510,256,346.52/111,479.90
  6. Step 6: Final answer
    x = 67,368.70

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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.