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Finding the Fourth Proportional to 165,592.60, 248,421.30 and 70,822.60

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Solution

The fourth proportional to 165,592.60, 248,421.30 and 70,822.60 is: 106,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,592.60 : 248,421.30 = 70,822.60 : x
  2. Step 2: Convert to fraction form
    165,592.60/248,421.30 = 70,822.60/x
  3. Step 3: Cross multiply
    165,592.60x = 248,421.30 × 70,822.60
  4. Step 4: Simplify right side
    165,592.60x = 17,593,842,361.38
  5. Step 5: Solve for x
    x = 17,593,842,361.38/165,592.60
  6. Step 6: Final answer
    x = 106,247.76

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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.