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Finding the Fourth Proportional to 201,195.90, 301,510.15 and 158,889.60

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Solution

The fourth proportional to 201,195.90, 301,510.15 and 158,889.60 is: 238,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,195.90 : 301,510.15 = 158,889.60 : x
  2. Step 2: Convert to fraction form
    201,195.90/301,510.15 = 158,889.60/x
  3. Step 3: Cross multiply
    201,195.90x = 301,510.15 × 158,889.60
  4. Step 4: Simplify right side
    201,195.90x = 47,906,826,732.22
  5. Step 5: Solve for x
    x = 47,906,826,732.22/201,195.90
  6. Step 6: Final answer
    x = 238,110.35

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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.