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Finding the Fourth Proportional to 236,967, 355,463.46 and 70,767.96

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Solution

The fourth proportional to 236,967, 355,463.46 and 70,767.96 is: 106,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,967 : 355,463.46 = 70,767.96 : x
  2. Step 2: Convert to fraction form
    236,967/355,463.46 = 70,767.96/x
  3. Step 3: Cross multiply
    236,967x = 355,463.46 × 70,767.96
  4. Step 4: Simplify right side
    236,967x = 25,155,423,918.74
  5. Step 5: Solve for x
    x = 25,155,423,918.74/236,967
  6. Step 6: Final answer
    x = 106,155.81

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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.