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Finding the Fourth Proportional to 225,361.98, 310,977.99 and 134,699.94

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Solution

The fourth proportional to 225,361.98, 310,977.99 and 134,699.94 is: 185,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,361.98 : 310,977.99 = 134,699.94 : x
  2. Step 2: Convert to fraction form
    225,361.98/310,977.99 = 134,699.94/x
  3. Step 3: Cross multiply
    225,361.98x = 310,977.99 × 134,699.94
  4. Step 4: Simplify right side
    225,361.98x = 41,888,716,594.32
  5. Step 5: Solve for x
    x = 41,888,716,594.32/225,361.98
  6. Step 6: Final answer
    x = 185,873.04

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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.