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Finding the Fourth Proportional to 104,605.92, 144,361.44 and 64,321.92

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Solution

The fourth proportional to 104,605.92, 144,361.44 and 64,321.92 is: 88,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,605.92 : 144,361.44 = 64,321.92 : x
  2. Step 2: Convert to fraction form
    104,605.92/144,361.44 = 64,321.92/x
  3. Step 3: Cross multiply
    104,605.92x = 144,361.44 × 64,321.92
  4. Step 4: Simplify right side
    104,605.92x = 9,285,604,994.76
  5. Step 5: Solve for x
    x = 9,285,604,994.76/104,605.92
  6. Step 6: Final answer
    x = 88,767.49

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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.