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Finding the Fourth Proportional to 149,312.40, 206,050.68 and 82,244.40

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Solution

The fourth proportional to 149,312.40, 206,050.68 and 82,244.40 is: 113,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,312.40 : 206,050.68 = 82,244.40 : x
  2. Step 2: Convert to fraction form
    149,312.40/206,050.68 = 82,244.40/x
  3. Step 3: Cross multiply
    149,312.40x = 206,050.68 × 82,244.40
  4. Step 4: Simplify right side
    149,312.40x = 16,946,514,546.19
  5. Step 5: Solve for x
    x = 16,946,514,546.19/149,312.40
  6. Step 6: Final answer
    x = 113,497.03

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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.