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Finding the Fourth Proportional to 114,328.14, 157,794.92 and 65,961.30

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Solution

The fourth proportional to 114,328.14, 157,794.92 and 65,961.30 is: 91,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,328.14 : 157,794.92 = 65,961.30 : x
  2. Step 2: Convert to fraction form
    114,328.14/157,794.92 = 65,961.30/x
  3. Step 3: Cross multiply
    114,328.14x = 157,794.92 × 65,961.30
  4. Step 4: Simplify right side
    114,328.14x = 10,408,358,056.60
  5. Step 5: Solve for x
    x = 10,408,358,056.60/114,328.14
  6. Step 6: Final answer
    x = 91,039.34

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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.