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Finding the Fourth Proportional to 248,507.60, 372,955.80 and 115,404.35

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Solution

The fourth proportional to 248,507.60, 372,955.80 and 115,404.35 is: 173,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,507.60 : 372,955.80 = 115,404.35 : x
  2. Step 2: Convert to fraction form
    248,507.60/372,955.80 = 115,404.35/x
  3. Step 3: Cross multiply
    248,507.60x = 372,955.80 × 115,404.35
  4. Step 4: Simplify right side
    248,507.60x = 43,040,721,677.73
  5. Step 5: Solve for x
    x = 43,040,721,677.73/248,507.60
  6. Step 6: Final answer
    x = 173,196.80

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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.