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Finding the Fourth Proportional to 114,068.58, 171,128.99 and 54,953.97

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Solution

The fourth proportional to 114,068.58, 171,128.99 and 54,953.97 is: 82,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,068.58 : 171,128.99 = 54,953.97 : x
  2. Step 2: Convert to fraction form
    114,068.58/171,128.99 = 54,953.97/x
  3. Step 3: Cross multiply
    114,068.58x = 171,128.99 × 54,953.97
  4. Step 4: Simplify right side
    114,068.58x = 9,404,217,382.59
  5. Step 5: Solve for x
    x = 9,404,217,382.59/114,068.58
  6. Step 6: Final answer
    x = 82,443.54

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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.