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Finding the Fourth Proportional to 111,567.38, 167,351.06 and 28,461.38

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Solution

The fourth proportional to 111,567.38, 167,351.06 and 28,461.38 is: 42,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,567.38 : 167,351.06 = 28,461.38 : x
  2. Step 2: Convert to fraction form
    111,567.38/167,351.06 = 28,461.38/x
  3. Step 3: Cross multiply
    111,567.38x = 167,351.06 × 28,461.38
  4. Step 4: Simplify right side
    111,567.38x = 4,763,041,346.46
  5. Step 5: Solve for x
    x = 4,763,041,346.46/111,567.38
  6. Step 6: Final answer
    x = 42,692.06

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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.