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Finding the Fourth Proportional to 248,672.40, 373,066.92 and 98,921.22

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Solution

The fourth proportional to 248,672.40, 373,066.92 and 98,921.22 is: 148,405.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,672.40 : 373,066.92 = 98,921.22 : x
  2. Step 2: Convert to fraction form
    248,672.40/373,066.92 = 98,921.22/x
  3. Step 3: Cross multiply
    248,672.40x = 373,066.92 × 98,921.22
  4. Step 4: Simplify right side
    248,672.40x = 36,904,234,868.04
  5. Step 5: Solve for x
    x = 36,904,234,868.04/248,672.40
  6. Step 6: Final answer
    x = 148,405.03

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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.