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Finding the Fourth Proportional to 173,071.84, 238,815.84 and 96,581.92

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Solution

The fourth proportional to 173,071.84, 238,815.84 and 96,581.92 is: 133,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,071.84 : 238,815.84 = 96,581.92 : x
  2. Step 2: Convert to fraction form
    173,071.84/238,815.84 = 96,581.92/x
  3. Step 3: Cross multiply
    173,071.84x = 238,815.84 × 96,581.92
  4. Step 4: Simplify right side
    173,071.84x = 23,065,292,353.61
  5. Step 5: Solve for x
    x = 23,065,292,353.61/173,071.84
  6. Step 6: Final answer
    x = 133,270.05

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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.