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Finding the Fourth Proportional to 346,782.33, 520,191.54 and 110,143.53

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Solution

The fourth proportional to 346,782.33, 520,191.54 and 110,143.53 is: 165,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,782.33 : 520,191.54 = 110,143.53 : x
  2. Step 2: Convert to fraction form
    346,782.33/520,191.54 = 110,143.53/x
  3. Step 3: Cross multiply
    346,782.33x = 520,191.54 × 110,143.53
  4. Step 4: Simplify right side
    346,782.33x = 57,295,732,491.74
  5. Step 5: Solve for x
    x = 57,295,732,491.74/346,782.33
  6. Step 6: Final answer
    x = 165,221.03

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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.