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Finding the Fourth Proportional to 351,453.60, 526,808.16 and 114,732.72

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Solution

The fourth proportional to 351,453.60, 526,808.16 and 114,732.72 is: 171,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,453.60 : 526,808.16 = 114,732.72 : x
  2. Step 2: Convert to fraction form
    351,453.60/526,808.16 = 114,732.72/x
  3. Step 3: Cross multiply
    351,453.60x = 526,808.16 × 114,732.72
  4. Step 4: Simplify right side
    351,453.60x = 60,442,133,115.00
  5. Step 5: Solve for x
    x = 60,442,133,115.00/351,453.60
  6. Step 6: Final answer
    x = 171,977.56

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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.