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Finding the Fourth Proportional to 188,858.88, 283,463.36 and 95,430.40

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Solution

The fourth proportional to 188,858.88, 283,463.36 and 95,430.40 is: 143,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,858.88 : 283,463.36 = 95,430.40 : x
  2. Step 2: Convert to fraction form
    188,858.88/283,463.36 = 95,430.40/x
  3. Step 3: Cross multiply
    188,858.88x = 283,463.36 × 95,430.40
  4. Step 4: Simplify right side
    188,858.88x = 27,051,021,830.14
  5. Step 5: Solve for x
    x = 27,051,021,830.14/188,858.88
  6. Step 6: Final answer
    x = 143,234.05

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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.