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Finding the Fourth Proportional to 104,097.84, 143,646.64 and 58,786.84

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Solution

The fourth proportional to 104,097.84, 143,646.64 and 58,786.84 is: 81,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,097.84 : 143,646.64 = 58,786.84 : x
  2. Step 2: Convert to fraction form
    104,097.84/143,646.64 = 58,786.84/x
  3. Step 3: Cross multiply
    104,097.84x = 143,646.64 × 58,786.84
  4. Step 4: Simplify right side
    104,097.84x = 8,444,532,042.22
  5. Step 5: Solve for x
    x = 8,444,532,042.22/104,097.84
  6. Step 6: Final answer
    x = 81,121.11

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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.