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Finding the Fourth Proportional to 104,784.96, 144,525.26 and 66,511.26

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Solution

The fourth proportional to 104,784.96, 144,525.26 and 66,511.26 is: 91,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,784.96 : 144,525.26 = 66,511.26 : x
  2. Step 2: Convert to fraction form
    104,784.96/144,525.26 = 66,511.26/x
  3. Step 3: Cross multiply
    104,784.96x = 144,525.26 × 66,511.26
  4. Step 4: Simplify right side
    104,784.96x = 9,612,557,310.71
  5. Step 5: Solve for x
    x = 9,612,557,310.71/104,784.96
  6. Step 6: Final answer
    x = 91,736.04

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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.