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Finding the Fourth Proportional to 262,999.71, 362,921.38 and 148,282.45

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Solution

The fourth proportional to 262,999.71, 362,921.38 and 148,282.45 is: 204,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,999.71 : 362,921.38 = 148,282.45 : x
  2. Step 2: Convert to fraction form
    262,999.71/362,921.38 = 148,282.45/x
  3. Step 3: Cross multiply
    262,999.71x = 362,921.38 × 148,282.45
  4. Step 4: Simplify right side
    262,999.71x = 53,814,870,105.77
  5. Step 5: Solve for x
    x = 53,814,870,105.77/262,999.71
  6. Step 6: Final answer
    x = 204,619.50

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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.