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Finding the Fourth Proportional to 104,803.94, 144,665.88 and 62,361.56

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Solution

The fourth proportional to 104,803.94, 144,665.88 and 62,361.56 is: 86,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,803.94 : 144,665.88 = 62,361.56 : x
  2. Step 2: Convert to fraction form
    104,803.94/144,665.88 = 62,361.56/x
  3. Step 3: Cross multiply
    104,803.94x = 144,665.88 × 62,361.56
  4. Step 4: Simplify right side
    104,803.94x = 9,021,589,955.57
  5. Step 5: Solve for x
    x = 9,021,589,955.57/104,803.94
  6. Step 6: Final answer
    x = 86,080.64

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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.