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Finding the Fourth Proportional to 114,968.70, 158,661.99 and 64,667.70

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Solution

The fourth proportional to 114,968.70, 158,661.99 and 64,667.70 is: 89,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,968.70 : 158,661.99 = 64,667.70 : x
  2. Step 2: Convert to fraction form
    114,968.70/158,661.99 = 64,667.70/x
  3. Step 3: Cross multiply
    114,968.70x = 158,661.99 × 64,667.70
  4. Step 4: Simplify right side
    114,968.70x = 10,260,305,970.72
  5. Step 5: Solve for x
    x = 10,260,305,970.72/114,968.70
  6. Step 6: Final answer
    x = 89,244.34

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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.