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Finding the Fourth Proportional to 210,104.01, 289,945.62 and 114,612.70

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Solution

The fourth proportional to 210,104.01, 289,945.62 and 114,612.70 is: 158,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,104.01 : 289,945.62 = 114,612.70 : x
  2. Step 2: Convert to fraction form
    210,104.01/289,945.62 = 114,612.70/x
  3. Step 3: Cross multiply
    210,104.01x = 289,945.62 × 114,612.70
  4. Step 4: Simplify right side
    210,104.01x = 33,231,450,361.37
  5. Step 5: Solve for x
    x = 33,231,450,361.37/210,104.01
  6. Step 6: Final answer
    x = 158,166.67

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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.