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Finding the Fourth Proportional to 207,195.16, 285,954.61 and 116,554.94

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Solution

The fourth proportional to 207,195.16, 285,954.61 and 116,554.94 is: 160,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,195.16 : 285,954.61 = 116,554.94 : x
  2. Step 2: Convert to fraction form
    207,195.16/285,954.61 = 116,554.94/x
  3. Step 3: Cross multiply
    207,195.16x = 285,954.61 × 116,554.94
  4. Step 4: Simplify right side
    207,195.16x = 33,329,422,411.27
  5. Step 5: Solve for x
    x = 33,329,422,411.27/207,195.16
  6. Step 6: Final answer
    x = 160,860.05

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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.