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Finding the Fourth Proportional to 262,747.70, 362,601.90 and 148,071.98

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Solution

The fourth proportional to 262,747.70, 362,601.90 and 148,071.98 is: 204,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,747.70 : 362,601.90 = 148,071.98 : x
  2. Step 2: Convert to fraction form
    262,747.70/362,601.90 = 148,071.98/x
  3. Step 3: Cross multiply
    262,747.70x = 362,601.90 × 148,071.98
  4. Step 4: Simplify right side
    262,747.70x = 53,691,181,284.76
  5. Step 5: Solve for x
    x = 53,691,181,284.76/262,747.70
  6. Step 6: Final answer
    x = 204,345.01

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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.