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Finding the Fourth Proportional to 173,141.50, 238,949.86 and 97,704.58

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Solution

The fourth proportional to 173,141.50, 238,949.86 and 97,704.58 is: 134,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,141.50 : 238,949.86 = 97,704.58 : x
  2. Step 2: Convert to fraction form
    173,141.50/238,949.86 = 97,704.58/x
  3. Step 3: Cross multiply
    173,141.50x = 238,949.86 × 97,704.58
  4. Step 4: Simplify right side
    173,141.50x = 23,346,495,712.36
  5. Step 5: Solve for x
    x = 23,346,495,712.36/173,141.50
  6. Step 6: Final answer
    x = 134,840.55

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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.