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Finding the Fourth Proportional to 105,189.77, 157,786.05 and 35,069.11

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Solution

The fourth proportional to 105,189.77, 157,786.05 and 35,069.11 is: 52,604.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,189.77 : 157,786.05 = 35,069.11 : x
  2. Step 2: Convert to fraction form
    105,189.77/157,786.05 = 35,069.11/x
  3. Step 3: Cross multiply
    105,189.77x = 157,786.05 × 35,069.11
  4. Step 4: Simplify right side
    105,189.77x = 5,533,415,554.99
  5. Step 5: Solve for x
    x = 5,533,415,554.99/105,189.77
  6. Step 6: Final answer
    x = 52,604.12

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1.5x scale

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.