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Finding the Fourth Proportional to 248,658.81, 372,987.87 and 115,466.23

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Solution

The fourth proportional to 248,658.81, 372,987.87 and 115,466.23 is: 173,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,658.81 : 372,987.87 = 115,466.23 : x
  2. Step 2: Convert to fraction form
    248,658.81/372,987.87 = 115,466.23/x
  3. Step 3: Cross multiply
    248,658.81x = 372,987.87 × 115,466.23
  4. Step 4: Simplify right side
    248,658.81x = 43,067,503,184.63
  5. Step 5: Solve for x
    x = 43,067,503,184.63/248,658.81
  6. Step 6: Final answer
    x = 173,199.18

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1.5x scale

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.