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Finding the Fourth Proportional to 235,256.08, 352,890.60 and 57,762.40

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Solution

The fourth proportional to 235,256.08, 352,890.60 and 57,762.40 is: 86,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,256.08 : 352,890.60 = 57,762.40 : x
  2. Step 2: Convert to fraction form
    235,256.08/352,890.60 = 57,762.40/x
  3. Step 3: Cross multiply
    235,256.08x = 352,890.60 × 57,762.40
  4. Step 4: Simplify right side
    235,256.08x = 20,383,807,993.44
  5. Step 5: Solve for x
    x = 20,383,807,993.44/235,256.08
  6. Step 6: Final answer
    x = 86,645.19

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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.