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Finding the Fourth Proportional to 199,783.87, 299,643.45 and 73,393.04

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Solution

The fourth proportional to 199,783.87, 299,643.45 and 73,393.04 is: 110,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,783.87 : 299,643.45 = 73,393.04 : x
  2. Step 2: Convert to fraction form
    199,783.87/299,643.45 = 73,393.04/x
  3. Step 3: Cross multiply
    199,783.87x = 299,643.45 × 73,393.04
  4. Step 4: Simplify right side
    199,783.87x = 21,991,742,912.81
  5. Step 5: Solve for x
    x = 21,991,742,912.81/199,783.87
  6. Step 6: Final answer
    x = 110,077.67

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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.