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Finding the Fourth Proportional to 70,677, 105,948.36 and 26,273.52

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Solution

The fourth proportional to 70,677, 105,948.36 and 26,273.52 is: 39,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,677 : 105,948.36 = 26,273.52 : x
  2. Step 2: Convert to fraction form
    70,677/105,948.36 = 26,273.52/x
  3. Step 3: Cross multiply
    70,677x = 105,948.36 × 26,273.52
  4. Step 4: Simplify right side
    70,677x = 2,783,636,355.43
  5. Step 5: Solve for x
    x = 2,783,636,355.43/70,677
  6. Step 6: Final answer
    x = 39,385.32

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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.