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Finding the Fourth Proportional to 157,626, 236,439 and 46,818

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Solution

The fourth proportional to 157,626, 236,439 and 46,818 is: 70,227

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,626 : 236,439 = 46,818 : x
  2. Step 2: Convert to fraction form
    157,626/236,439 = 46,818/x
  3. Step 3: Cross multiply
    157,626x = 236,439 × 46,818
  4. Step 4: Simplify right side
    157,626x = 11,069,601,102
  5. Step 5: Solve for x
    x = 11,069,601,102/157,626
  6. Step 6: Final answer
    x = 70,227

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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.