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Finding the Fourth Proportional to 202,580.82, 279,546.93 and 111,935.70

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Solution

The fourth proportional to 202,580.82, 279,546.93 and 111,935.70 is: 154,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,580.82 : 279,546.93 = 111,935.70 : x
  2. Step 2: Convert to fraction form
    202,580.82/279,546.93 = 111,935.70/x
  3. Step 3: Cross multiply
    202,580.82x = 279,546.93 × 111,935.70
  4. Step 4: Simplify right side
    202,580.82x = 31,291,281,292.40
  5. Step 5: Solve for x
    x = 31,291,281,292.40/202,580.82
  6. Step 6: Final answer
    x = 154,463.20

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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.