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Finding the Fourth Proportional to 145,814.50, 201,311.49 and 95,600.98

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Solution

The fourth proportional to 145,814.50, 201,311.49 and 95,600.98 is: 131,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,814.50 : 201,311.49 = 95,600.98 : x
  2. Step 2: Convert to fraction form
    145,814.50/201,311.49 = 95,600.98/x
  3. Step 3: Cross multiply
    145,814.50x = 201,311.49 × 95,600.98
  4. Step 4: Simplify right side
    145,814.50x = 19,245,575,729.26
  5. Step 5: Solve for x
    x = 19,245,575,729.26/145,814.50
  6. Step 6: Final answer
    x = 131,986.71

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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.