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Finding the Fourth Proportional to 155,662.16, 214,829.96 and 95,273.01

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Solution

The fourth proportional to 155,662.16, 214,829.96 and 95,273.01 is: 131,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,662.16 : 214,829.96 = 95,273.01 : x
  2. Step 2: Convert to fraction form
    155,662.16/214,829.96 = 95,273.01/x
  3. Step 3: Cross multiply
    155,662.16x = 214,829.96 × 95,273.01
  4. Step 4: Simplify right side
    155,662.16x = 20,467,496,451.01
  5. Step 5: Solve for x
    x = 20,467,496,451.01/155,662.16
  6. Step 6: Final answer
    x = 131,486.66

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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.