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Finding the Fourth Proportional to 137,701.30, 206,539.80 and 37,852.60

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Solution

The fourth proportional to 137,701.30, 206,539.80 and 37,852.60 is: 56,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,701.30 : 206,539.80 = 37,852.60 : x
  2. Step 2: Convert to fraction form
    137,701.30/206,539.80 = 37,852.60/x
  3. Step 3: Cross multiply
    137,701.30x = 206,539.80 × 37,852.60
  4. Step 4: Simplify right side
    137,701.30x = 7,818,068,433.48
  5. Step 5: Solve for x
    x = 7,818,068,433.48/137,701.30
  6. Step 6: Final answer
    x = 56,775.56

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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.