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Finding the Fourth Proportional to 111,492.65, 167,244.60 and 31,536.34

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Solution

The fourth proportional to 111,492.65, 167,244.60 and 31,536.34 is: 47,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,492.65 : 167,244.60 = 31,536.34 : x
  2. Step 2: Convert to fraction form
    111,492.65/167,244.60 = 31,536.34/x
  3. Step 3: Cross multiply
    111,492.65x = 167,244.60 × 31,536.34
  4. Step 4: Simplify right side
    111,492.65x = 5,274,282,091.52
  5. Step 5: Solve for x
    x = 5,274,282,091.52/111,492.65
  6. Step 6: Final answer
    x = 47,306.10

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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.