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Finding the Fourth Proportional to 248,259.16, 372,447.08 and 70,768.72

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Solution

The fourth proportional to 248,259.16, 372,447.08 and 70,768.72 is: 106,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,259.16 : 372,447.08 = 70,768.72 : x
  2. Step 2: Convert to fraction form
    248,259.16/372,447.08 = 70,768.72/x
  3. Step 3: Cross multiply
    248,259.16x = 372,447.08 × 70,768.72
  4. Step 4: Simplify right side
    248,259.16x = 26,357,603,119.34
  5. Step 5: Solve for x
    x = 26,357,603,119.34/248,259.16
  6. Step 6: Final answer
    x = 106,169.71

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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.