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Finding the Fourth Proportional to 162,986.56, 224,878.08 and 94,058.56

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Solution

The fourth proportional to 162,986.56, 224,878.08 and 94,058.56 is: 129,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,986.56 : 224,878.08 = 94,058.56 : x
  2. Step 2: Convert to fraction form
    162,986.56/224,878.08 = 94,058.56/x
  3. Step 3: Cross multiply
    162,986.56x = 224,878.08 × 94,058.56
  4. Step 4: Simplify right side
    162,986.56x = 21,151,708,380.36
  5. Step 5: Solve for x
    x = 21,151,708,380.36/162,986.56
  6. Step 6: Final answer
    x = 129,775.78

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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.