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Finding the Fourth Proportional to 248,228.94, 372,016.21 and 98,387.58

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Solution

The fourth proportional to 248,228.94, 372,016.21 and 98,387.58 is: 147,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,228.94 : 372,016.21 = 98,387.58 : x
  2. Step 2: Convert to fraction form
    248,228.94/372,016.21 = 98,387.58/x
  3. Step 3: Cross multiply
    248,228.94x = 372,016.21 × 98,387.58
  4. Step 4: Simplify right side
    248,228.94x = 36,601,774,622.67
  5. Step 5: Solve for x
    x = 36,601,774,622.67/248,228.94
  6. Step 6: Final answer
    x = 147,451.68

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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.