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Finding the Fourth Proportional to 111,146.88, 153,382.70 and 60,845.88

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Solution

The fourth proportional to 111,146.88, 153,382.70 and 60,845.88 is: 83,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,146.88 : 153,382.70 = 60,845.88 : x
  2. Step 2: Convert to fraction form
    111,146.88/153,382.70 = 60,845.88/x
  3. Step 3: Cross multiply
    111,146.88x = 153,382.70 × 60,845.88
  4. Step 4: Simplify right side
    111,146.88x = 9,332,705,358.28
  5. Step 5: Solve for x
    x = 9,332,705,358.28/111,146.88
  6. Step 6: Final answer
    x = 83,967.32

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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.