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Finding the Fourth Proportional to 165,452.40, 248,178.60 and 103,244.40

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Solution

The fourth proportional to 165,452.40, 248,178.60 and 103,244.40 is: 154,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,452.40 : 248,178.60 = 103,244.40 : x
  2. Step 2: Convert to fraction form
    165,452.40/248,178.60 = 103,244.40/x
  3. Step 3: Cross multiply
    165,452.40x = 248,178.60 × 103,244.40
  4. Step 4: Simplify right side
    165,452.40x = 25,623,050,649.84
  5. Step 5: Solve for x
    x = 25,623,050,649.84/165,452.40
  6. Step 6: Final answer
    x = 154,866.60

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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.