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Finding the Fourth Proportional to 236,966, 355,461.96 and 70,766.96

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Solution

The fourth proportional to 236,966, 355,461.96 and 70,766.96 is: 106,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,966 : 355,461.96 = 70,766.96 : x
  2. Step 2: Convert to fraction form
    236,966/355,461.96 = 70,766.96/x
  3. Step 3: Cross multiply
    236,966x = 355,461.96 × 70,766.96
  4. Step 4: Simplify right side
    236,966x = 25,154,962,304.84
  5. Step 5: Solve for x
    x = 25,154,962,304.84/236,966
  6. Step 6: Final answer
    x = 106,154.31

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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.