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Finding the Fourth Proportional to 157,458.84, 217,282.26 and 88,558.60

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Solution

The fourth proportional to 157,458.84, 217,282.26 and 88,558.60 is: 122,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,458.84 : 217,282.26 = 88,558.60 : x
  2. Step 2: Convert to fraction form
    157,458.84/217,282.26 = 88,558.60/x
  3. Step 3: Cross multiply
    157,458.84x = 217,282.26 × 88,558.60
  4. Step 4: Simplify right side
    157,458.84x = 19,242,212,750.44
  5. Step 5: Solve for x
    x = 19,242,212,750.44/157,458.84
  6. Step 6: Final answer
    x = 122,204.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.