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Finding the Fourth Proportional to 100,818.84, 151,134.78 and 44,629.01

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Solution

The fourth proportional to 100,818.84, 151,134.78 and 44,629.01 is: 66,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,818.84 : 151,134.78 = 44,629.01 : x
  2. Step 2: Convert to fraction form
    100,818.84/151,134.78 = 44,629.01/x
  3. Step 3: Cross multiply
    100,818.84x = 151,134.78 × 44,629.01
  4. Step 4: Simplify right side
    100,818.84x = 6,744,994,852.29
  5. Step 5: Solve for x
    x = 6,744,994,852.29/100,818.84
  6. Step 6: Final answer
    x = 66,902.13

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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.