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Finding the Fourth Proportional to 190,603.82, 263,064.77 and 105,748.22

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Solution

The fourth proportional to 190,603.82, 263,064.77 and 105,748.22 is: 145,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,603.82 : 263,064.77 = 105,748.22 : x
  2. Step 2: Convert to fraction form
    190,603.82/263,064.77 = 105,748.22/x
  3. Step 3: Cross multiply
    190,603.82x = 263,064.77 × 105,748.22
  4. Step 4: Simplify right side
    190,603.82x = 27,818,629,328.14
  5. Step 5: Solve for x
    x = 27,818,629,328.14/190,603.82
  6. Step 6: Final answer
    x = 145,950.01

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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.