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Finding the Fourth Proportional to 104,995.94, 157,318.58 and 73,775.30

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Solution

The fourth proportional to 104,995.94, 157,318.58 and 73,775.30 is: 110,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,995.94 : 157,318.58 = 73,775.30 : x
  2. Step 2: Convert to fraction form
    104,995.94/157,318.58 = 73,775.30/x
  3. Step 3: Cross multiply
    104,995.94x = 157,318.58 × 73,775.30
  4. Step 4: Simplify right side
    104,995.94x = 11,606,225,435.07
  5. Step 5: Solve for x
    x = 11,606,225,435.07/104,995.94
  6. Step 6: Final answer
    x = 110,539.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.