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Finding the Fourth Proportional to 111,710.55, 167,513.18 and 40,583.03

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Solution

The fourth proportional to 111,710.55, 167,513.18 and 40,583.03 is: 60,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,710.55 : 167,513.18 = 40,583.03 : x
  2. Step 2: Convert to fraction form
    111,710.55/167,513.18 = 40,583.03/x
  3. Step 3: Cross multiply
    111,710.55x = 167,513.18 × 40,583.03
  4. Step 4: Simplify right side
    111,710.55x = 6,798,191,368.85
  5. Step 5: Solve for x
    x = 6,798,191,368.85/111,710.55
  6. Step 6: Final answer
    x = 60,855.41

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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.