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Finding the Fourth Proportional to 137,511.84, 206,267.95 and 37,672.90

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Solution

The fourth proportional to 137,511.84, 206,267.95 and 37,672.90 is: 56,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,511.84 : 206,267.95 = 37,672.90 : x
  2. Step 2: Convert to fraction form
    137,511.84/206,267.95 = 37,672.90/x
  3. Step 3: Cross multiply
    137,511.84x = 206,267.95 × 37,672.90
  4. Step 4: Simplify right side
    137,511.84x = 7,770,711,853.56
  5. Step 5: Solve for x
    x = 7,770,711,853.56/137,511.84
  6. Step 6: Final answer
    x = 56,509.40

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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.