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Finding the Fourth Proportional to 248,670.40, 373,063.92 and 98,919.22

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Solution

The fourth proportional to 248,670.40, 373,063.92 and 98,919.22 is: 148,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,670.40 : 373,063.92 = 98,919.22 : x
  2. Step 2: Convert to fraction form
    248,670.40/373,063.92 = 98,919.22/x
  3. Step 3: Cross multiply
    248,670.40x = 373,063.92 × 98,919.22
  4. Step 4: Simplify right side
    248,670.40x = 36,903,191,976.54
  5. Step 5: Solve for x
    x = 36,903,191,976.54/248,670.40
  6. Step 6: Final answer
    x = 148,402.03

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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.