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Finding the Fourth Proportional to 263,573.70, 363,730.17 and 142,712.49

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Solution

The fourth proportional to 263,573.70, 363,730.17 and 142,712.49 is: 196,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,573.70 : 363,730.17 = 142,712.49 : x
  2. Step 2: Convert to fraction form
    263,573.70/363,730.17 = 142,712.49/x
  3. Step 3: Cross multiply
    263,573.70x = 363,730.17 × 142,712.49
  4. Step 4: Simplify right side
    263,573.70x = 51,908,838,248.82
  5. Step 5: Solve for x
    x = 51,908,838,248.82/263,573.70
  6. Step 6: Final answer
    x = 196,942.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.