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Finding the Fourth Proportional to 234,435.60, 351,653.41 and 56,941.42

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Solution

The fourth proportional to 234,435.60, 351,653.41 and 56,941.42 is: 85,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,435.60 : 351,653.41 = 56,941.42 : x
  2. Step 2: Convert to fraction form
    234,435.60/351,653.41 = 56,941.42/x
  3. Step 3: Cross multiply
    234,435.60x = 351,653.41 × 56,941.42
  4. Step 4: Simplify right side
    234,435.60x = 20,023,642,754.98
  5. Step 5: Solve for x
    x = 20,023,642,754.98/234,435.60
  6. Step 6: Final answer
    x = 85,412.12

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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.