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Finding the Fourth Proportional to 236,946, 355,475.16 and 70,738.32

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Solution

The fourth proportional to 236,946, 355,475.16 and 70,738.32 is: 106,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,946 : 355,475.16 = 70,738.32 : x
  2. Step 2: Convert to fraction form
    236,946/355,475.16 = 70,738.32/x
  3. Step 3: Cross multiply
    236,946x = 355,475.16 × 70,738.32
  4. Step 4: Simplify right side
    236,946x = 25,145,715,620.13
  5. Step 5: Solve for x
    x = 25,145,715,620.13/236,946
  6. Step 6: Final answer
    x = 106,124.25

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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.