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Finding the Fourth Proportional to 70,124.44, 105,029.76 and 32,628.33

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Solution

The fourth proportional to 70,124.44, 105,029.76 and 32,628.33 is: 48,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124.44 : 105,029.76 = 32,628.33 : x
  2. Step 2: Convert to fraction form
    70,124.44/105,029.76 = 32,628.33/x
  3. Step 3: Cross multiply
    70,124.44x = 105,029.76 × 32,628.33
  4. Step 4: Simplify right side
    70,124.44x = 3,426,945,669.10
  5. Step 5: Solve for x
    x = 3,426,945,669.10/70,124.44
  6. Step 6: Final answer
    x = 48,869.49

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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.