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Finding the Fourth Proportional to 111,492.65, 167,196.15 and 40,394.40

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Solution

The fourth proportional to 111,492.65, 167,196.15 and 40,394.40 is: 60,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,492.65 : 167,196.15 = 40,394.40 : x
  2. Step 2: Convert to fraction form
    111,492.65/167,196.15 = 40,394.40/x
  3. Step 3: Cross multiply
    111,492.65x = 167,196.15 × 40,394.40
  4. Step 4: Simplify right side
    111,492.65x = 6,753,787,534.57
  5. Step 5: Solve for x
    x = 6,753,787,534.57/111,492.65
  6. Step 6: Final answer
    x = 60,576.08

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1.5x scale

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.