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Finding the Fourth Proportional to 207,212.58, 285,969.96 and 116,563.13

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Solution

The fourth proportional to 207,212.58, 285,969.96 and 116,563.13 is: 160,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,212.58 : 285,969.96 = 116,563.13 : x
  2. Step 2: Convert to fraction form
    207,212.58/285,969.96 = 116,563.13/x
  3. Step 3: Cross multiply
    207,212.58x = 285,969.96 × 116,563.13
  4. Step 4: Simplify right side
    207,212.58x = 33,333,554,874.69
  5. Step 5: Solve for x
    x = 33,333,554,874.69/207,212.58
  6. Step 6: Final answer
    x = 160,866.46

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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.