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Finding the Fourth Proportional to 155,046.52, 213,987.56 and 94,652.28

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Solution

The fourth proportional to 155,046.52, 213,987.56 and 94,652.28 is: 130,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,046.52 : 213,987.56 = 94,652.28 : x
  2. Step 2: Convert to fraction form
    155,046.52/213,987.56 = 94,652.28/x
  3. Step 3: Cross multiply
    155,046.52x = 213,987.56 × 94,652.28
  4. Step 4: Simplify right side
    155,046.52x = 20,254,410,445.64
  5. Step 5: Solve for x
    x = 20,254,410,445.64/155,046.52
  6. Step 6: Final answer
    x = 130,634.41

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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.