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Finding the Fourth Proportional to 241,400.40, 362,098.80 and 72,920.40

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Solution

The fourth proportional to 241,400.40, 362,098.80 and 72,920.40 is: 109,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,400.40 : 362,098.80 = 72,920.40 : x
  2. Step 2: Convert to fraction form
    241,400.40/362,098.80 = 72,920.40/x
  3. Step 3: Cross multiply
    241,400.40x = 362,098.80 × 72,920.40
  4. Step 4: Simplify right side
    241,400.40x = 26,404,389,335.52
  5. Step 5: Solve for x
    x = 26,404,389,335.52/241,400.40
  6. Step 6: Final answer
    x = 109,380.06

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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.