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Finding the Fourth Proportional to 248,695.30, 373,101.15 and 98,944.06

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Solution

The fourth proportional to 248,695.30, 373,101.15 and 98,944.06 is: 148,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,695.30 : 373,101.15 = 98,944.06 : x
  2. Step 2: Convert to fraction form
    248,695.30/373,101.15 = 98,944.06/x
  3. Step 3: Cross multiply
    248,695.30x = 373,101.15 × 98,944.06
  4. Step 4: Simplify right side
    248,695.30x = 36,916,142,571.67
  5. Step 5: Solve for x
    x = 36,916,142,571.67/248,695.30
  6. Step 6: Final answer
    x = 148,439.25

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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.