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Finding the Fourth Proportional to 111,599.32, 167,410 and 36,689.08

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Solution

The fourth proportional to 111,599.32, 167,410 and 36,689.08 is: 55,037.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,599.32 : 167,410 = 36,689.08 : x
  2. Step 2: Convert to fraction form
    111,599.32/167,410 = 36,689.08/x
  3. Step 3: Cross multiply
    111,599.32x = 167,410 × 36,689.08
  4. Step 4: Simplify right side
    111,599.32x = 6,142,118,882.80
  5. Step 5: Solve for x
    x = 6,142,118,882.80/111,599.32
  6. Step 6: Final answer
    x = 55,037.24

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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.