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Finding the Fourth Proportional to 169,475.40, 254,504.70 and 119,903.40

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Solution

The fourth proportional to 169,475.40, 254,504.70 and 119,903.40 is: 180,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,475.40 : 254,504.70 = 119,903.40 : x
  2. Step 2: Convert to fraction form
    169,475.40/254,504.70 = 119,903.40/x
  3. Step 3: Cross multiply
    169,475.40x = 254,504.70 × 119,903.40
  4. Step 4: Simplify right side
    169,475.40x = 30,515,978,845.98
  5. Step 5: Solve for x
    x = 30,515,978,845.98/169,475.40
  6. Step 6: Final answer
    x = 180,061.41

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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.