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Finding the Fourth Proportional to 201,316.20, 301,196.70 and 131,332.20

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Solution

The fourth proportional to 201,316.20, 301,196.70 and 131,332.20 is: 196,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,316.20 : 301,196.70 = 131,332.20 : x
  2. Step 2: Convert to fraction form
    201,316.20/301,196.70 = 131,332.20/x
  3. Step 3: Cross multiply
    201,316.20x = 301,196.70 × 131,332.20
  4. Step 4: Simplify right side
    201,316.20x = 39,556,825,243.74
  5. Step 5: Solve for x
    x = 39,556,825,243.74/201,316.20
  6. Step 6: Final answer
    x = 196,491.02

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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.