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Finding the Fourth Proportional to 95,458.40, 143,187.60 and 33,128.90

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Solution

The fourth proportional to 95,458.40, 143,187.60 and 33,128.90 is: 49,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,458.40 : 143,187.60 = 33,128.90 : x
  2. Step 2: Convert to fraction form
    95,458.40/143,187.60 = 33,128.90/x
  3. Step 3: Cross multiply
    95,458.40x = 143,187.60 × 33,128.90
  4. Step 4: Simplify right side
    95,458.40x = 4,743,647,681.64
  5. Step 5: Solve for x
    x = 4,743,647,681.64/95,458.40
  6. Step 6: Final answer
    x = 49,693.35

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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.