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Finding the Fourth Proportional to 201,290.80, 302,065.80 and 117,050.80

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Solution

The fourth proportional to 201,290.80, 302,065.80 and 117,050.80 is: 175,651.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,290.80 : 302,065.80 = 117,050.80 : x
  2. Step 2: Convert to fraction form
    201,290.80/302,065.80 = 117,050.80/x
  3. Step 3: Cross multiply
    201,290.80x = 302,065.80 × 117,050.80
  4. Step 4: Simplify right side
    201,290.80x = 35,357,043,542.64
  5. Step 5: Solve for x
    x = 35,357,043,542.64/201,290.80
  6. Step 6: Final answer
    x = 175,651.56

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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.