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Finding the Fourth Proportional to 104,395.53, 144,063.84 and 59,072.69

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Solution

The fourth proportional to 104,395.53, 144,063.84 and 59,072.69 is: 81,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,395.53 : 144,063.84 = 59,072.69 : x
  2. Step 2: Convert to fraction form
    104,395.53/144,063.84 = 59,072.69/x
  3. Step 3: Cross multiply
    104,395.53x = 144,063.84 × 59,072.69
  4. Step 4: Simplify right side
    104,395.53x = 8,510,238,976.07
  5. Step 5: Solve for x
    x = 8,510,238,976.07/104,395.53
  6. Step 6: Final answer
    x = 81,519.19

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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.