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Finding the Fourth Proportional to 248,432.32, 372,405.48 and 98,622.82

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Solution

The fourth proportional to 248,432.32, 372,405.48 and 98,622.82 is: 147,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,432.32 : 372,405.48 = 98,622.82 : x
  2. Step 2: Convert to fraction form
    248,432.32/372,405.48 = 98,622.82/x
  3. Step 3: Cross multiply
    248,432.32x = 372,405.48 × 98,622.82
  4. Step 4: Simplify right side
    248,432.32x = 36,727,678,621.05
  5. Step 5: Solve for x
    x = 36,727,678,621.05/248,432.32
  6. Step 6: Final answer
    x = 147,837.76

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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.