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Finding the Fourth Proportional to 95,803.86, 143,705.64 and 45,191.07

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Solution

The fourth proportional to 95,803.86, 143,705.64 and 45,191.07 is: 67,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,803.86 : 143,705.64 = 45,191.07 : x
  2. Step 2: Convert to fraction form
    95,803.86/143,705.64 = 45,191.07/x
  3. Step 3: Cross multiply
    95,803.86x = 143,705.64 × 45,191.07
  4. Step 4: Simplify right side
    95,803.86x = 6,494,211,636.63
  5. Step 5: Solve for x
    x = 6,494,211,636.63/95,803.86
  6. Step 6: Final answer
    x = 67,786.53

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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.