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Finding the Fourth Proportional to 111,368.85, 167,039.70 and 32,483.15

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Solution

The fourth proportional to 111,368.85, 167,039.70 and 32,483.15 is: 48,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,368.85 : 167,039.70 = 32,483.15 : x
  2. Step 2: Convert to fraction form
    111,368.85/167,039.70 = 32,483.15/x
  3. Step 3: Cross multiply
    111,368.85x = 167,039.70 × 32,483.15
  4. Step 4: Simplify right side
    111,368.85x = 5,425,975,631.06
  5. Step 5: Solve for x
    x = 5,425,975,631.06/111,368.85
  6. Step 6: Final answer
    x = 48,720.77

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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.