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Finding the Fourth Proportional to 345,833.88, 518,707.08 and 93,134.56

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Solution

The fourth proportional to 345,833.88, 518,707.08 and 93,134.56 is: 139,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,833.88 : 518,707.08 = 93,134.56 : x
  2. Step 2: Convert to fraction form
    345,833.88/518,707.08 = 93,134.56/x
  3. Step 3: Cross multiply
    345,833.88x = 518,707.08 × 93,134.56
  4. Step 4: Simplify right side
    345,833.88x = 48,309,555,664.68
  5. Step 5: Solve for x
    x = 48,309,555,664.68/345,833.88
  6. Step 6: Final answer
    x = 139,690.06

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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.