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Finding the Fourth Proportional to 173,203, 238,866.96 and 112,717.96

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Solution

The fourth proportional to 173,203, 238,866.96 and 112,717.96 is: 155,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,203 : 238,866.96 = 112,717.96 : x
  2. Step 2: Convert to fraction form
    173,203/238,866.96 = 112,717.96/x
  3. Step 3: Cross multiply
    173,203x = 238,866.96 × 112,717.96
  4. Step 4: Simplify right side
    173,203x = 26,924,596,442.60
  5. Step 5: Solve for x
    x = 26,924,596,442.60/173,203
  6. Step 6: Final answer
    x = 155,451.10

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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.