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Finding the Fourth Proportional to 201,811,601.40, 302,079,672.90 and 158,446,015.80

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Solution

The fourth proportional to 201,811,601.40, 302,079,672.90 and 158,446,015.80 is: 237,168,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,811,601.40 : 302,079,672.90 = 158,446,015.80 : x
  2. Step 2: Convert to fraction form
    201,811,601.40/302,079,672.90 = 158,446,015.80/x
  3. Step 3: Cross multiply
    201,811,601.40x = 302,079,672.90 × 158,446,015.80
  4. Step 4: Simplify right side
    201,811,601.40x = 47,863,320,625,172,232
  5. Step 5: Solve for x
    x = 47,863,320,625,172,232/201,811,601.40
  6. Step 6: Final answer
    x = 237,168,330.73

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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.