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Finding the Fourth Proportional to 98,174, 135,475.26 and 59,889.35

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Solution

The fourth proportional to 98,174, 135,475.26 and 59,889.35 is: 82,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,174 : 135,475.26 = 59,889.35 : x
  2. Step 2: Convert to fraction form
    98,174/135,475.26 = 59,889.35/x
  3. Step 3: Cross multiply
    98,174x = 135,475.26 × 59,889.35
  4. Step 4: Simplify right side
    98,174x = 8,113,525,262.48
  5. Step 5: Solve for x
    x = 8,113,525,262.48/98,174
  6. Step 6: Final answer
    x = 82,644.34

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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.