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Finding the Fourth Proportional to 116,058, 173,817 and 112,865.40

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Solution

The fourth proportional to 116,058, 173,817 and 112,865.40 is: 169,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,058 : 173,817 = 112,865.40 : x
  2. Step 2: Convert to fraction form
    116,058/173,817 = 112,865.40/x
  3. Step 3: Cross multiply
    116,058x = 173,817 × 112,865.40
  4. Step 4: Simplify right side
    116,058x = 19,617,925,231.80
  5. Step 5: Solve for x
    x = 19,617,925,231.80/116,058
  6. Step 6: Final answer
    x = 169,035.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.