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Finding the Fourth Proportional to 207,960.88, 286,647.48 and 162,558.72

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Solution

The fourth proportional to 207,960.88, 286,647.48 and 162,558.72 is: 224,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,960.88 : 286,647.48 = 162,558.72 : x
  2. Step 2: Convert to fraction form
    207,960.88/286,647.48 = 162,558.72/x
  3. Step 3: Cross multiply
    207,960.88x = 286,647.48 × 162,558.72
  4. Step 4: Simplify right side
    207,960.88x = 46,597,047,440.03
  5. Step 5: Solve for x
    x = 46,597,047,440.03/207,960.88
  6. Step 6: Final answer
    x = 224,066.41

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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.