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Finding the Fourth Proportional to 45,803.80, 68,705.70 and 44,054.20

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Solution

The fourth proportional to 45,803.80, 68,705.70 and 44,054.20 is: 66,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,803.80 : 68,705.70 = 44,054.20 : x
  2. Step 2: Convert to fraction form
    45,803.80/68,705.70 = 44,054.20/x
  3. Step 3: Cross multiply
    45,803.80x = 68,705.70 × 44,054.20
  4. Step 4: Simplify right side
    45,803.80x = 3,026,774,648.94
  5. Step 5: Solve for x
    x = 3,026,774,648.94/45,803.80
  6. Step 6: Final answer
    x = 66,081.30

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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.