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Finding the Fourth Proportional to 111,130.38, 166,710.21 and 36,224.28

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Solution

The fourth proportional to 111,130.38, 166,710.21 and 36,224.28 is: 54,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,130.38 : 166,710.21 = 36,224.28 : x
  2. Step 2: Convert to fraction form
    111,130.38/166,710.21 = 36,224.28/x
  3. Step 3: Cross multiply
    111,130.38x = 166,710.21 × 36,224.28
  4. Step 4: Simplify right side
    111,130.38x = 6,038,957,325.90
  5. Step 5: Solve for x
    x = 6,038,957,325.90/111,130.38
  6. Step 6: Final answer
    x = 54,341.19

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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.