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Finding the Fourth Proportional to 207,369.52, 286,170.54 and 116,726.87

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Solution

The fourth proportional to 207,369.52, 286,170.54 and 116,726.87 is: 161,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,369.52 : 286,170.54 = 116,726.87 : x
  2. Step 2: Convert to fraction form
    207,369.52/286,170.54 = 116,726.87/x
  3. Step 3: Cross multiply
    207,369.52x = 286,170.54 × 116,726.87
  4. Step 4: Simplify right side
    207,369.52x = 33,403,792,682.99
  5. Step 5: Solve for x
    x = 33,403,792,682.99/207,369.52
  6. Step 6: Final answer
    x = 161,083.43

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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.