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Finding the Fourth Proportional to 190,475.98, 262,859.81 and 104,442.82

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Solution

The fourth proportional to 190,475.98, 262,859.81 and 104,442.82 is: 144,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,475.98 : 262,859.81 = 104,442.82 : x
  2. Step 2: Convert to fraction form
    190,475.98/262,859.81 = 104,442.82/x
  3. Step 3: Cross multiply
    190,475.98x = 262,859.81 × 104,442.82
  4. Step 4: Simplify right side
    190,475.98x = 27,453,819,425.02
  5. Step 5: Solve for x
    x = 27,453,819,425.02/190,475.98
  6. Step 6: Final answer
    x = 144,132.71

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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.