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Finding the Fourth Proportional to 155,809.58, 214,969.41 and 95,317.16

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Solution

The fourth proportional to 155,809.58, 214,969.41 and 95,317.16 is: 131,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,809.58 : 214,969.41 = 95,317.16 : x
  2. Step 2: Convert to fraction form
    155,809.58/214,969.41 = 95,317.16/x
  3. Step 3: Cross multiply
    155,809.58x = 214,969.41 × 95,317.16
  4. Step 4: Simplify right side
    155,809.58x = 20,490,272,573.23
  5. Step 5: Solve for x
    x = 20,490,272,573.23/155,809.58
  6. Step 6: Final answer
    x = 131,508.43

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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.