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Finding the Fourth Proportional to 201,756.40, 302,116.20 and 148,879.60

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Solution

The fourth proportional to 201,756.40, 302,116.20 and 148,879.60 is: 222,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,756.40 : 302,116.20 = 148,879.60 : x
  2. Step 2: Convert to fraction form
    201,756.40/302,116.20 = 148,879.60/x
  3. Step 3: Cross multiply
    201,756.40x = 302,116.20 × 148,879.60
  4. Step 4: Simplify right side
    201,756.40x = 44,978,939,009.52
  5. Step 5: Solve for x
    x = 44,978,939,009.52/201,756.40
  6. Step 6: Final answer
    x = 222,936.86

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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.