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Finding the Fourth Proportional to 111,569.67, 167,359.88 and 36,688.15

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Solution

The fourth proportional to 111,569.67, 167,359.88 and 36,688.15 is: 55,033.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,569.67 : 167,359.88 = 36,688.15 : x
  2. Step 2: Convert to fraction form
    111,569.67/167,359.88 = 36,688.15/x
  3. Step 3: Cross multiply
    111,569.67x = 167,359.88 × 36,688.15
  4. Step 4: Simplify right side
    111,569.67x = 6,140,124,381.42
  5. Step 5: Solve for x
    x = 6,140,124,381.42/111,569.67
  6. Step 6: Final answer
    x = 55,033.99

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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.