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Finding the Fourth Proportional to 158,593.05, 218,868.53 and 104,783.67

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Solution

The fourth proportional to 158,593.05, 218,868.53 and 104,783.67 is: 144,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,593.05 : 218,868.53 = 104,783.67 : x
  2. Step 2: Convert to fraction form
    158,593.05/218,868.53 = 104,783.67/x
  3. Step 3: Cross multiply
    158,593.05x = 218,868.53 × 104,783.67
  4. Step 4: Simplify right side
    158,593.05x = 22,933,847,296.99
  5. Step 5: Solve for x
    x = 22,933,847,296.99/158,593.05
  6. Step 6: Final answer
    x = 144,608.15

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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.