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Finding the Fourth Proportional to 111,007.97, 153,188.70 and 60,706.97

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Solution

The fourth proportional to 111,007.97, 153,188.70 and 60,706.97 is: 83,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,007.97 : 153,188.70 = 60,706.97 : x
  2. Step 2: Convert to fraction form
    111,007.97/153,188.70 = 60,706.97/x
  3. Step 3: Cross multiply
    111,007.97x = 153,188.70 × 60,706.97
  4. Step 4: Simplify right side
    111,007.97x = 9,299,621,049.30
  5. Step 5: Solve for x
    x = 9,299,621,049.30/111,007.97
  6. Step 6: Final answer
    x = 83,774.36

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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.