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Finding the Fourth Proportional to 234,168.81, 323,152.94 and 126,738.84

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Solution

The fourth proportional to 234,168.81, 323,152.94 and 126,738.84 is: 174,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,168.81 : 323,152.94 = 126,738.84 : x
  2. Step 2: Convert to fraction form
    234,168.81/323,152.94 = 126,738.84/x
  3. Step 3: Cross multiply
    234,168.81x = 323,152.94 × 126,738.84
  4. Step 4: Simplify right side
    234,168.81x = 40,956,029,075.04
  5. Step 5: Solve for x
    x = 40,956,029,075.04/234,168.81
  6. Step 6: Final answer
    x = 174,899.59

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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.