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Finding the Fourth Proportional to 155,575.44, 214,698.45 and 95,145

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Solution

The fourth proportional to 155,575.44, 214,698.45 and 95,145 is: 131,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,575.44 : 214,698.45 = 95,145 : x
  2. Step 2: Convert to fraction form
    155,575.44/214,698.45 = 95,145/x
  3. Step 3: Cross multiply
    155,575.44x = 214,698.45 × 95,145
  4. Step 4: Simplify right side
    155,575.44x = 20,427,484,025.25
  5. Step 5: Solve for x
    x = 20,427,484,025.25/155,575.44
  6. Step 6: Final answer
    x = 131,302.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.