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Finding the Fourth Proportional to 191,461.75, 264,289.50 and 150,519.05

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Solution

The fourth proportional to 191,461.75, 264,289.50 and 150,519.05 is: 207,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,461.75 : 264,289.50 = 150,519.05 : x
  2. Step 2: Convert to fraction form
    191,461.75/264,289.50 = 150,519.05/x
  3. Step 3: Cross multiply
    191,461.75x = 264,289.50 × 150,519.05
  4. Step 4: Simplify right side
    191,461.75x = 39,780,604,464.98
  5. Step 5: Solve for x
    x = 39,780,604,464.98/191,461.75
  6. Step 6: Final answer
    x = 207,773.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.