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Finding the Fourth Proportional to 95,891.20, 143,858.40 and 29,334.40

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Solution

The fourth proportional to 95,891.20, 143,858.40 and 29,334.40 is: 44,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,891.20 : 143,858.40 = 29,334.40 : x
  2. Step 2: Convert to fraction form
    95,891.20/143,858.40 = 29,334.40/x
  3. Step 3: Cross multiply
    95,891.20x = 143,858.40 × 29,334.40
  4. Step 4: Simplify right side
    95,891.20x = 4,219,999,848.96
  5. Step 5: Solve for x
    x = 4,219,999,848.96/95,891.20
  6. Step 6: Final answer
    x = 44,008.21

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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.