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Finding the Fourth Proportional to 155,172.96, 232,761.60 and 44,364.96

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Solution

The fourth proportional to 155,172.96, 232,761.60 and 44,364.96 is: 66,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,172.96 : 232,761.60 = 44,364.96 : x
  2. Step 2: Convert to fraction form
    155,172.96/232,761.60 = 44,364.96/x
  3. Step 3: Cross multiply
    155,172.96x = 232,761.60 × 44,364.96
  4. Step 4: Simplify right side
    155,172.96x = 10,326,459,073.54
  5. Step 5: Solve for x
    x = 10,326,459,073.54/155,172.96
  6. Step 6: Final answer
    x = 66,548.06

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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.