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Finding the Fourth Proportional to 241,454.40, 362,440.80 and 136,478.40

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Solution

The fourth proportional to 241,454.40, 362,440.80 and 136,478.40 is: 204,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,454.40 : 362,440.80 = 136,478.40 : x
  2. Step 2: Convert to fraction form
    241,454.40/362,440.80 = 136,478.40/x
  3. Step 3: Cross multiply
    241,454.40x = 362,440.80 × 136,478.40
  4. Step 4: Simplify right side
    241,454.40x = 49,465,340,478.72
  5. Step 5: Solve for x
    x = 49,465,340,478.72/241,454.40
  6. Step 6: Final answer
    x = 204,864.11

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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.