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Finding the Fourth Proportional to 164,200.84, 246,398.54 and 69,425.84

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Solution

The fourth proportional to 164,200.84, 246,398.54 and 69,425.84 is: 104,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,200.84 : 246,398.54 = 69,425.84 : x
  2. Step 2: Convert to fraction form
    164,200.84/246,398.54 = 69,425.84/x
  3. Step 3: Cross multiply
    164,200.84x = 246,398.54 × 69,425.84
  4. Step 4: Simplify right side
    164,200.84x = 17,106,425,883.14
  5. Step 5: Solve for x
    x = 17,106,425,883.14/164,200.84
  6. Step 6: Final answer
    x = 104,179.89

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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.