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Finding the Fourth Proportional to 155,171.90, 232,795.22 and 53,955.32

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Solution

The fourth proportional to 155,171.90, 232,795.22 and 53,955.32 is: 80,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,171.90 : 232,795.22 = 53,955.32 : x
  2. Step 2: Convert to fraction form
    155,171.90/232,795.22 = 53,955.32/x
  3. Step 3: Cross multiply
    155,171.90x = 232,795.22 × 53,955.32
  4. Step 4: Simplify right side
    155,171.90x = 12,560,539,155.82
  5. Step 5: Solve for x
    x = 12,560,539,155.82/155,171.90
  6. Step 6: Final answer
    x = 80,945.96

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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.