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Finding the Fourth Proportional to 114,771.40, 158,358.58 and 69,448.24

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Solution

The fourth proportional to 114,771.40, 158,358.58 and 69,448.24 is: 95,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,771.40 : 158,358.58 = 69,448.24 : x
  2. Step 2: Convert to fraction form
    114,771.40/158,358.58 = 69,448.24/x
  3. Step 3: Cross multiply
    114,771.40x = 158,358.58 × 69,448.24
  4. Step 4: Simplify right side
    114,771.40x = 10,997,724,669.90
  5. Step 5: Solve for x
    x = 10,997,724,669.90/114,771.40
  6. Step 6: Final answer
    x = 95,822.87

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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.