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Finding the Fourth Proportional to 112,058, 168,087 and 41,970.32

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Solution

The fourth proportional to 112,058, 168,087 and 41,970.32 is: 62,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,058 : 168,087 = 41,970.32 : x
  2. Step 2: Convert to fraction form
    112,058/168,087 = 41,970.32/x
  3. Step 3: Cross multiply
    112,058x = 168,087 × 41,970.32
  4. Step 4: Simplify right side
    112,058x = 7,054,665,177.84
  5. Step 5: Solve for x
    x = 7,054,665,177.84/112,058
  6. Step 6: Final answer
    x = 62,955.48

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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.