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Finding the Fourth Proportional to 248,193.16, 372,394.74 and 135,742.10

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Solution

The fourth proportional to 248,193.16, 372,394.74 and 135,742.10 is: 203,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,193.16 : 372,394.74 = 135,742.10 : x
  2. Step 2: Convert to fraction form
    248,193.16/372,394.74 = 135,742.10/x
  3. Step 3: Cross multiply
    248,193.16x = 372,394.74 × 135,742.10
  4. Step 4: Simplify right side
    248,193.16x = 50,549,644,036.55
  5. Step 5: Solve for x
    x = 50,549,644,036.55/248,193.16
  6. Step 6: Final answer
    x = 203,670.57

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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.