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Finding the Fourth Proportional to 236,908, 355,423.56 and 70,696

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Solution

The fourth proportional to 236,908, 355,423.56 and 70,696 is: 106,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,908 : 355,423.56 = 70,696 : x
  2. Step 2: Convert to fraction form
    236,908/355,423.56 = 70,696/x
  3. Step 3: Cross multiply
    236,908x = 355,423.56 × 70,696
  4. Step 4: Simplify right side
    236,908x = 25,127,023,997.76
  5. Step 5: Solve for x
    x = 25,127,023,997.76/236,908
  6. Step 6: Final answer
    x = 106,062.37

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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.