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Finding the Fourth Proportional to 207,018.33, 285,686.49 and 116,373.50

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Solution

The fourth proportional to 207,018.33, 285,686.49 and 116,373.50 is: 160,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,018.33 : 285,686.49 = 116,373.50 : x
  2. Step 2: Convert to fraction form
    207,018.33/285,686.49 = 116,373.50/x
  3. Step 3: Cross multiply
    207,018.33x = 285,686.49 × 116,373.50
  4. Step 4: Simplify right side
    207,018.33x = 33,246,334,733.72
  5. Step 5: Solve for x
    x = 33,246,334,733.72/207,018.33
  6. Step 6: Final answer
    x = 160,596.09

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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.