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Finding the Fourth Proportional to 104,996.56, 144,895.88 and 57,250.68

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Solution

The fourth proportional to 104,996.56, 144,895.88 and 57,250.68 is: 79,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,996.56 : 144,895.88 = 57,250.68 : x
  2. Step 2: Convert to fraction form
    104,996.56/144,895.88 = 57,250.68/x
  3. Step 3: Cross multiply
    104,996.56x = 144,895.88 × 57,250.68
  4. Step 4: Simplify right side
    104,996.56x = 8,295,387,659.20
  5. Step 5: Solve for x
    x = 8,295,387,659.20/104,996.56
  6. Step 6: Final answer
    x = 79,006.28

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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.