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Finding the Fourth Proportional to 95,491.60, 143,237.40 and 48,738.40

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Solution

The fourth proportional to 95,491.60, 143,237.40 and 48,738.40 is: 73,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,491.60 : 143,237.40 = 48,738.40 : x
  2. Step 2: Convert to fraction form
    95,491.60/143,237.40 = 48,738.40/x
  3. Step 3: Cross multiply
    95,491.60x = 143,237.40 × 48,738.40
  4. Step 4: Simplify right side
    95,491.60x = 6,981,161,696.16
  5. Step 5: Solve for x
    x = 6,981,161,696.16/95,491.60
  6. Step 6: Final answer
    x = 73,107.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.