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Finding the Fourth Proportional to 157,814.88, 236,724.48 and 88,137.60

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Solution

The fourth proportional to 157,814.88, 236,724.48 and 88,137.60 is: 132,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,814.88 : 236,724.48 = 88,137.60 : x
  2. Step 2: Convert to fraction form
    157,814.88/236,724.48 = 88,137.60/x
  3. Step 3: Cross multiply
    157,814.88x = 236,724.48 × 88,137.60
  4. Step 4: Simplify right side
    157,814.88x = 20,864,327,528.45
  5. Step 5: Solve for x
    x = 20,864,327,528.45/157,814.88
  6. Step 6: Final answer
    x = 132,207.61

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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.