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Finding the Fourth Proportional to 242,357.78, 363,702.73 and 84,586.23

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Solution

The fourth proportional to 242,357.78, 363,702.73 and 84,586.23 is: 126,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,357.78 : 363,702.73 = 84,586.23 : x
  2. Step 2: Convert to fraction form
    242,357.78/363,702.73 = 84,586.23/x
  3. Step 3: Cross multiply
    242,357.78x = 363,702.73 × 84,586.23
  4. Step 4: Simplify right side
    242,357.78x = 30,764,242,559.94
  5. Step 5: Solve for x
    x = 30,764,242,559.94/242,357.78
  6. Step 6: Final answer
    x = 126,937.30

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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.