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Finding the Fourth Proportional to 137,602.02, 206,403.21 and 37,763.58

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Solution

The fourth proportional to 137,602.02, 206,403.21 and 37,763.58 is: 56,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,602.02 : 206,403.21 = 37,763.58 : x
  2. Step 2: Convert to fraction form
    137,602.02/206,403.21 = 37,763.58/x
  3. Step 3: Cross multiply
    137,602.02x = 206,403.21 × 37,763.58
  4. Step 4: Simplify right side
    137,602.02x = 7,794,524,133.09
  5. Step 5: Solve for x
    x = 7,794,524,133.09/137,602.02
  6. Step 6: Final answer
    x = 56,645.42

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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.