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Finding the Fourth Proportional to 235,989.55, 353,709.59 and 134,858.52

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Solution

The fourth proportional to 235,989.55, 353,709.59 and 134,858.52 is: 202,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,989.55 : 353,709.59 = 134,858.52 : x
  2. Step 2: Convert to fraction form
    235,989.55/353,709.59 = 134,858.52/x
  3. Step 3: Cross multiply
    235,989.55x = 353,709.59 × 134,858.52
  4. Step 4: Simplify right side
    235,989.55x = 47,700,751,142.91
  5. Step 5: Solve for x
    x = 47,700,751,142.91/235,989.55
  6. Step 6: Final answer
    x = 202,130.78

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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.