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Finding the Fourth Proportional to 110,991.54, 153,168.08 and 60,004.28

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Solution

The fourth proportional to 110,991.54, 153,168.08 and 60,004.28 is: 82,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,991.54 : 153,168.08 = 60,004.28 : x
  2. Step 2: Convert to fraction form
    110,991.54/153,168.08 = 60,004.28/x
  3. Step 3: Cross multiply
    110,991.54x = 153,168.08 × 60,004.28
  4. Step 4: Simplify right side
    110,991.54x = 9,190,740,359.38
  5. Step 5: Solve for x
    x = 9,190,740,359.38/110,991.54
  6. Step 6: Final answer
    x = 82,805.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.