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Finding the Fourth Proportional to 97,498.40, 146,028.90 and 80,002.40

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Solution

The fourth proportional to 97,498.40, 146,028.90 and 80,002.40 is: 119,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,498.40 : 146,028.90 = 80,002.40 : x
  2. Step 2: Convert to fraction form
    97,498.40/146,028.90 = 80,002.40/x
  3. Step 3: Cross multiply
    97,498.40x = 146,028.90 × 80,002.40
  4. Step 4: Simplify right side
    97,498.40x = 11,682,662,469.36
  5. Step 5: Solve for x
    x = 11,682,662,469.36/97,498.40
  6. Step 6: Final answer
    x = 119,824.15

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1.5x scale

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.