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Finding the Fourth Proportional to 346,795.20, 520,207.20 and 110,131.20

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Solution

The fourth proportional to 346,795.20, 520,207.20 and 110,131.20 is: 165,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,795.20 : 520,207.20 = 110,131.20 : x
  2. Step 2: Convert to fraction form
    346,795.20/520,207.20 = 110,131.20/x
  3. Step 3: Cross multiply
    346,795.20x = 520,207.20 × 110,131.20
  4. Step 4: Simplify right side
    346,795.20x = 57,291,043,184.64
  5. Step 5: Solve for x
    x = 57,291,043,184.64/346,795.20
  6. Step 6: Final answer
    x = 165,201.37

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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.