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Finding the Fourth Proportional to 263,520.01, 363,657.72 and 142,661.26

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Solution

The fourth proportional to 263,520.01, 363,657.72 and 142,661.26 is: 196,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,520.01 : 363,657.72 = 142,661.26 : x
  2. Step 2: Convert to fraction form
    263,520.01/363,657.72 = 142,661.26/x
  3. Step 3: Cross multiply
    263,520.01x = 363,657.72 × 142,661.26
  4. Step 4: Simplify right side
    263,520.01x = 51,879,868,543.93
  5. Step 5: Solve for x
    x = 51,879,868,543.93/263,520.01
  6. Step 6: Final answer
    x = 196,872.60

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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.