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Finding the Fourth Proportional to 95,418.88, 143,129.60 and 28,859.68

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Solution

The fourth proportional to 95,418.88, 143,129.60 and 28,859.68 is: 43,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,418.88 : 143,129.60 = 28,859.68 : x
  2. Step 2: Convert to fraction form
    95,418.88/143,129.60 = 28,859.68/x
  3. Step 3: Cross multiply
    95,418.88x = 143,129.60 × 28,859.68
  4. Step 4: Simplify right side
    95,418.88x = 4,130,674,454.53
  5. Step 5: Solve for x
    x = 4,130,674,454.53/95,418.88
  6. Step 6: Final answer
    x = 43,289.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.