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Finding the Fourth Proportional to 190,562.99, 262,975.12 and 104,520.22

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Solution

The fourth proportional to 190,562.99, 262,975.12 and 104,520.22 is: 144,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,562.99 : 262,975.12 = 104,520.22 : x
  2. Step 2: Convert to fraction form
    190,562.99/262,975.12 = 104,520.22/x
  3. Step 3: Cross multiply
    190,562.99x = 262,975.12 × 104,520.22
  4. Step 4: Simplify right side
    190,562.99x = 27,486,216,478.19
  5. Step 5: Solve for x
    x = 27,486,216,478.19/190,562.99
  6. Step 6: Final answer
    x = 144,236.91

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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.