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Finding the Fourth Proportional to 120,164.40, 180,246.60 and 50,034.60

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Solution

The fourth proportional to 120,164.40, 180,246.60 and 50,034.60 is: 75,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,164.40 : 180,246.60 = 50,034.60 : x
  2. Step 2: Convert to fraction form
    120,164.40/180,246.60 = 50,034.60/x
  3. Step 3: Cross multiply
    120,164.40x = 180,246.60 × 50,034.60
  4. Step 4: Simplify right side
    120,164.40x = 9,018,566,532.36
  5. Step 5: Solve for x
    x = 9,018,566,532.36/120,164.40
  6. Step 6: Final answer
    x = 75,051.90

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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.