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Finding the Fourth Proportional to 189,076.40, 283,614.60 and 119,092.40

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Solution

The fourth proportional to 189,076.40, 283,614.60 and 119,092.40 is: 178,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,076.40 : 283,614.60 = 119,092.40 : x
  2. Step 2: Convert to fraction form
    189,076.40/283,614.60 = 119,092.40/x
  3. Step 3: Cross multiply
    189,076.40x = 283,614.60 × 119,092.40
  4. Step 4: Simplify right side
    189,076.40x = 33,776,343,389.04
  5. Step 5: Solve for x
    x = 33,776,343,389.04/189,076.40
  6. Step 6: Final answer
    x = 178,638.60

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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.