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Finding the Fourth Proportional to 252,485.64, 348,556.46 and 157,023.10

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Solution

The fourth proportional to 252,485.64, 348,556.46 and 157,023.10 is: 216,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,485.64 : 348,556.46 = 157,023.10 : x
  2. Step 2: Convert to fraction form
    252,485.64/348,556.46 = 157,023.10/x
  3. Step 3: Cross multiply
    252,485.64x = 348,556.46 × 157,023.10
  4. Step 4: Simplify right side
    252,485.64x = 54,731,415,874.23
  5. Step 5: Solve for x
    x = 54,731,415,874.23/252,485.64
  6. Step 6: Final answer
    x = 216,770.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.