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Finding the Fourth Proportional to 262,765.80, 362,616.78 and 141,907.08

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Solution

The fourth proportional to 262,765.80, 362,616.78 and 141,907.08 is: 195,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,765.80 : 362,616.78 = 141,907.08 : x
  2. Step 2: Convert to fraction form
    262,765.80/362,616.78 = 141,907.08/x
  3. Step 3: Cross multiply
    262,765.80x = 362,616.78 × 141,907.08
  4. Step 4: Simplify right side
    262,765.80x = 51,457,888,408.80
  5. Step 5: Solve for x
    x = 51,457,888,408.80/262,765.80
  6. Step 6: Final answer
    x = 195,831.76

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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.