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Finding the Fourth Proportional to 111,386.52, 167,114.42 and 36,507.32

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Solution

The fourth proportional to 111,386.52, 167,114.42 and 36,507.32 is: 54,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,386.52 : 167,114.42 = 36,507.32 : x
  2. Step 2: Convert to fraction form
    111,386.52/167,114.42 = 36,507.32/x
  3. Step 3: Cross multiply
    111,386.52x = 167,114.42 × 36,507.32
  4. Step 4: Simplify right side
    111,386.52x = 6,100,899,607.55
  5. Step 5: Solve for x
    x = 6,100,899,607.55/111,386.52
  6. Step 6: Final answer
    x = 54,772.33

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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.