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Finding the Fourth Proportional to 110,620.49, 152,669.39 and 62,881.01

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Solution

The fourth proportional to 110,620.49, 152,669.39 and 62,881.01 is: 86,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,620.49 : 152,669.39 = 62,881.01 : x
  2. Step 2: Convert to fraction form
    110,620.49/152,669.39 = 62,881.01/x
  3. Step 3: Cross multiply
    110,620.49x = 152,669.39 × 62,881.01
  4. Step 4: Simplify right side
    110,620.49x = 9,600,004,361.53
  5. Step 5: Solve for x
    x = 9,600,004,361.53/110,620.49
  6. Step 6: Final answer
    x = 86,783.24

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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.