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Finding the Fourth Proportional to 248,234.10, 372,168.90 and 98,400.30

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Solution

The fourth proportional to 248,234.10, 372,168.90 and 98,400.30 is: 147,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,234.10 : 372,168.90 = 98,400.30 : x
  2. Step 2: Convert to fraction form
    248,234.10/372,168.90 = 98,400.30/x
  3. Step 3: Cross multiply
    248,234.10x = 372,168.90 × 98,400.30
  4. Step 4: Simplify right side
    248,234.10x = 36,621,531,410.67
  5. Step 5: Solve for x
    x = 36,621,531,410.67/248,234.10
  6. Step 6: Final answer
    x = 147,528.21

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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.