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Finding the Fourth Proportional to 190,527.87, 262,950.11 and 109,977.01

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Solution

The fourth proportional to 190,527.87, 262,950.11 and 109,977.01 is: 151,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,527.87 : 262,950.11 = 109,977.01 : x
  2. Step 2: Convert to fraction form
    190,527.87/262,950.11 = 109,977.01/x
  3. Step 3: Cross multiply
    190,527.87x = 262,950.11 × 109,977.01
  4. Step 4: Simplify right side
    190,527.87x = 28,918,466,327.09
  5. Step 5: Solve for x
    x = 28,918,466,327.09/190,527.87
  6. Step 6: Final answer
    x = 151,780.77

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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.