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Finding the Fourth Proportional to 150,479.46, 207,676.50 and 85,958.35

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Solution

The fourth proportional to 150,479.46, 207,676.50 and 85,958.35 is: 118,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,479.46 : 207,676.50 = 85,958.35 : x
  2. Step 2: Convert to fraction form
    150,479.46/207,676.50 = 85,958.35/x
  3. Step 3: Cross multiply
    150,479.46x = 207,676.50 × 85,958.35
  4. Step 4: Simplify right side
    150,479.46x = 17,851,529,273.78
  5. Step 5: Solve for x
    x = 17,851,529,273.78/150,479.46
  6. Step 6: Final answer
    x = 118,631.00

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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.