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Finding the Fourth Proportional to 229,915.45, 344,521.84 and 96,722.70

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Solution

The fourth proportional to 229,915.45, 344,521.84 and 96,722.70 is: 144,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,915.45 : 344,521.84 = 96,722.70 : x
  2. Step 2: Convert to fraction form
    229,915.45/344,521.84 = 96,722.70/x
  3. Step 3: Cross multiply
    229,915.45x = 344,521.84 × 96,722.70
  4. Step 4: Simplify right side
    229,915.45x = 33,323,082,573.77
  5. Step 5: Solve for x
    x = 33,323,082,573.77/229,915.45
  6. Step 6: Final answer
    x = 144,936.25

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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.