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Finding the Fourth Proportional to 104,725, 144,519.38 and 62,282.60

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Solution

The fourth proportional to 104,725, 144,519.38 and 62,282.60 is: 85,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,725 : 144,519.38 = 62,282.60 : x
  2. Step 2: Convert to fraction form
    104,725/144,519.38 = 62,282.60/x
  3. Step 3: Cross multiply
    104,725x = 144,519.38 × 62,282.60
  4. Step 4: Simplify right side
    104,725x = 9,001,042,736.79
  5. Step 5: Solve for x
    x = 9,001,042,736.79/104,725
  6. Step 6: Final answer
    x = 85,949.32

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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.