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Finding the Fourth Proportional to 97,682.90, 146,524.35 and 88,643.30

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Solution

The fourth proportional to 97,682.90, 146,524.35 and 88,643.30 is: 132,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,682.90 : 146,524.35 = 88,643.30 : x
  2. Step 2: Convert to fraction form
    97,682.90/146,524.35 = 88,643.30/x
  3. Step 3: Cross multiply
    97,682.90x = 146,524.35 × 88,643.30
  4. Step 4: Simplify right side
    97,682.90x = 12,988,401,914.36
  5. Step 5: Solve for x
    x = 12,988,401,914.36/97,682.90
  6. Step 6: Final answer
    x = 132,964.95

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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.