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Finding the Fourth Proportional to 189,010.60, 283,256.70 and 154,018.60

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Solution

The fourth proportional to 189,010.60, 283,256.70 and 154,018.60 is: 230,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,010.60 : 283,256.70 = 154,018.60 : x
  2. Step 2: Convert to fraction form
    189,010.60/283,256.70 = 154,018.60/x
  3. Step 3: Cross multiply
    189,010.60x = 283,256.70 × 154,018.60
  4. Step 4: Simplify right side
    189,010.60x = 43,626,800,374.62
  5. Step 5: Solve for x
    x = 43,626,800,374.62/189,010.60
  6. Step 6: Final answer
    x = 230,816.69

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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.