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Finding the Fourth Proportional to 173,202, 238,865.58 and 112,716.96

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Solution

The fourth proportional to 173,202, 238,865.58 and 112,716.96 is: 155,449.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,202 : 238,865.58 = 112,716.96 : x
  2. Step 2: Convert to fraction form
    173,202/238,865.58 = 112,716.96/x
  3. Step 3: Cross multiply
    173,202x = 238,865.58 × 112,716.96
  4. Step 4: Simplify right side
    173,202x = 26,924,202,026.24
  5. Step 5: Solve for x
    x = 26,924,202,026.24/173,202
  6. Step 6: Final answer
    x = 155,449.72

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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.