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Finding the Fourth Proportional to 173,078.76, 238,848.55 and 97,627.26

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Solution

The fourth proportional to 173,078.76, 238,848.55 and 97,627.26 is: 134,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,078.76 : 238,848.55 = 97,627.26 : x
  2. Step 2: Convert to fraction form
    173,078.76/238,848.55 = 97,627.26/x
  3. Step 3: Cross multiply
    173,078.76x = 238,848.55 × 97,627.26
  4. Step 4: Simplify right side
    173,078.76x = 23,318,129,491.47
  5. Step 5: Solve for x
    x = 23,318,129,491.47/173,078.76
  6. Step 6: Final answer
    x = 134,725.54

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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.