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Finding the Fourth Proportional to 134,069.60, 200,931.60 and 102,749.60

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Solution

The fourth proportional to 134,069.60, 200,931.60 and 102,749.60 is: 153,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,069.60 : 200,931.60 = 102,749.60 : x
  2. Step 2: Convert to fraction form
    134,069.60/200,931.60 = 102,749.60/x
  3. Step 3: Cross multiply
    134,069.60x = 200,931.60 × 102,749.60
  4. Step 4: Simplify right side
    134,069.60x = 20,645,641,527.36
  5. Step 5: Solve for x
    x = 20,645,641,527.36/134,069.60
  6. Step 6: Final answer
    x = 153,991.97

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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.