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Finding the Fourth Proportional to 173,026, 238,776.20 and 93,538

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Solution

The fourth proportional to 173,026, 238,776.20 and 93,538 is: 129,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,026 : 238,776.20 = 93,538 : x
  2. Step 2: Convert to fraction form
    173,026/238,776.20 = 93,538/x
  3. Step 3: Cross multiply
    173,026x = 238,776.20 × 93,538
  4. Step 4: Simplify right side
    173,026x = 22,334,648,195.60
  5. Step 5: Solve for x
    x = 22,334,648,195.60/173,026
  6. Step 6: Final answer
    x = 129,082.61

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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.