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Finding the Fourth Proportional to 172,599.90, 238,165.83 and 97,133.82

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Solution

The fourth proportional to 172,599.90, 238,165.83 and 97,133.82 is: 134,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,599.90 : 238,165.83 = 97,133.82 : x
  2. Step 2: Convert to fraction form
    172,599.90/238,165.83 = 97,133.82/x
  3. Step 3: Cross multiply
    172,599.90x = 238,165.83 × 97,133.82
  4. Step 4: Simplify right side
    172,599.90x = 23,133,956,861.37
  5. Step 5: Solve for x
    x = 23,133,956,861.37/172,599.90
  6. Step 6: Final answer
    x = 134,032.27

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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.