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Finding the Fourth Proportional to 231,040.70, 346,301.85 and 97,898.30

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Solution

The fourth proportional to 231,040.70, 346,301.85 and 97,898.30 is: 146,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,040.70 : 346,301.85 = 97,898.30 : x
  2. Step 2: Convert to fraction form
    231,040.70/346,301.85 = 97,898.30/x
  3. Step 3: Cross multiply
    231,040.70x = 346,301.85 × 97,898.30
  4. Step 4: Simplify right side
    231,040.70x = 33,902,362,401.86
  5. Step 5: Solve for x
    x = 33,902,362,401.86/231,040.70
  6. Step 6: Final answer
    x = 146,737.62

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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.