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Finding the Fourth Proportional to 114,749.75, 158,369.51 and 64,448.75

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Solution

The fourth proportional to 114,749.75, 158,369.51 and 64,448.75 is: 88,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,749.75 : 158,369.51 = 64,448.75 : x
  2. Step 2: Convert to fraction form
    114,749.75/158,369.51 = 64,448.75/x
  3. Step 3: Cross multiply
    114,749.75x = 158,369.51 × 64,448.75
  4. Step 4: Simplify right side
    114,749.75x = 10,206,716,635.37
  5. Step 5: Solve for x
    x = 10,206,716,635.37/114,749.75
  6. Step 6: Final answer
    x = 88,947.62

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1.5x scale

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.