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Finding the Fourth Proportional to 95,758.56, 143,571.12 and 42,421.52

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Solution

The fourth proportional to 95,758.56, 143,571.12 and 42,421.52 is: 63,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,758.56 : 143,571.12 = 42,421.52 : x
  2. Step 2: Convert to fraction form
    95,758.56/143,571.12 = 42,421.52/x
  3. Step 3: Cross multiply
    95,758.56x = 143,571.12 × 42,421.52
  4. Step 4: Simplify right side
    95,758.56x = 6,090,505,138.50
  5. Step 5: Solve for x
    x = 6,090,505,138.50/95,758.56
  6. Step 6: Final answer
    x = 63,602.72

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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.