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Finding the Fourth Proportional to 191,000.40, 286,806.60 and 151,882.80

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Solution

The fourth proportional to 191,000.40, 286,806.60 and 151,882.80 is: 228,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,000.40 : 286,806.60 = 151,882.80 : x
  2. Step 2: Convert to fraction form
    191,000.40/286,806.60 = 151,882.80/x
  3. Step 3: Cross multiply
    191,000.40x = 286,806.60 × 151,882.80
  4. Step 4: Simplify right side
    191,000.40x = 43,560,989,466.48
  5. Step 5: Solve for x
    x = 43,560,989,466.48/191,000.40
  6. Step 6: Final answer
    x = 228,067.53

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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.