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Finding the Fourth Proportional to 104,838.48, 143,863.38 and 95,334.48

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Solution

The fourth proportional to 104,838.48, 143,863.38 and 95,334.48 is: 130,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,838.48 : 143,863.38 = 95,334.48 : x
  2. Step 2: Convert to fraction form
    104,838.48/143,863.38 = 95,334.48/x
  3. Step 3: Cross multiply
    104,838.48x = 143,863.38 × 95,334.48
  4. Step 4: Simplify right side
    104,838.48x = 13,715,140,523.34
  5. Step 5: Solve for x
    x = 13,715,140,523.34/104,838.48
  6. Step 6: Final answer
    x = 130,821.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.