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Finding the Fourth Proportional to 102,994.41, 154,366.84 and 43,705.53

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Solution

The fourth proportional to 102,994.41, 154,366.84 and 43,705.53 is: 65,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,994.41 : 154,366.84 = 43,705.53 : x
  2. Step 2: Convert to fraction form
    102,994.41/154,366.84 = 43,705.53/x
  3. Step 3: Cross multiply
    102,994.41x = 154,366.84 × 43,705.53
  4. Step 4: Simplify right side
    102,994.41x = 6,746,684,556.63
  5. Step 5: Solve for x
    x = 6,746,684,556.63/102,994.41
  6. Step 6: Final answer
    x = 65,505.35

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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.