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Finding the Fourth Proportional to 173,137.42, 238,929.88 and 97,692.94

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Solution

The fourth proportional to 173,137.42, 238,929.88 and 97,692.94 is: 134,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,137.42 : 238,929.88 = 97,692.94 : x
  2. Step 2: Convert to fraction form
    173,137.42/238,929.88 = 97,692.94/x
  3. Step 3: Cross multiply
    173,137.42x = 238,929.88 × 97,692.94
  4. Step 4: Simplify right side
    173,137.42x = 23,341,762,431.05
  5. Step 5: Solve for x
    x = 23,341,762,431.05/173,137.42
  6. Step 6: Final answer
    x = 134,816.39

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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.