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Finding the Fourth Proportional to 76,055.70, 104,940.45 and 44,208.30

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Solution

The fourth proportional to 76,055.70, 104,940.45 and 44,208.30 is: 60,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,055.70 : 104,940.45 = 44,208.30 : x
  2. Step 2: Convert to fraction form
    76,055.70/104,940.45 = 44,208.30/x
  3. Step 3: Cross multiply
    76,055.70x = 104,940.45 × 44,208.30
  4. Step 4: Simplify right side
    76,055.70x = 4,639,238,895.74
  5. Step 5: Solve for x
    x = 4,639,238,895.74/76,055.70
  6. Step 6: Final answer
    x = 60,997.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.