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Finding the Fourth Proportional to 190,486.92, 262,818.72 and 150,075.42

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Solution

The fourth proportional to 190,486.92, 262,818.72 and 150,075.42 is: 207,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,486.92 : 262,818.72 = 150,075.42 : x
  2. Step 2: Convert to fraction form
    190,486.92/262,818.72 = 150,075.42/x
  3. Step 3: Cross multiply
    190,486.92x = 262,818.72 × 150,075.42
  4. Step 4: Simplify right side
    190,486.92x = 39,442,629,787.86
  5. Step 5: Solve for x
    x = 39,442,629,787.86/190,486.92
  6. Step 6: Final answer
    x = 207,062.14

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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.