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Finding the Fourth Proportional to 121,405.44, 182,130.06 and 37,164.06

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Solution

The fourth proportional to 121,405.44, 182,130.06 and 37,164.06 is: 55,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,405.44 : 182,130.06 = 37,164.06 : x
  2. Step 2: Convert to fraction form
    121,405.44/182,130.06 = 37,164.06/x
  3. Step 3: Cross multiply
    121,405.44x = 182,130.06 × 37,164.06
  4. Step 4: Simplify right side
    121,405.44x = 6,768,692,477.64
  5. Step 5: Solve for x
    x = 6,768,692,477.64/121,405.44
  6. Step 6: Final answer
    x = 55,752.79

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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.