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Finding the Fourth Proportional to 234,573.30, 323,623.76 and 154,045.53

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Solution

The fourth proportional to 234,573.30, 323,623.76 and 154,045.53 is: 212,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,573.30 : 323,623.76 = 154,045.53 : x
  2. Step 2: Convert to fraction form
    234,573.30/323,623.76 = 154,045.53/x
  3. Step 3: Cross multiply
    234,573.30x = 323,623.76 × 154,045.53
  4. Step 4: Simplify right side
    234,573.30x = 49,852,792,859.57
  5. Step 5: Solve for x
    x = 49,852,792,859.57/234,573.30
  6. Step 6: Final answer
    x = 212,525.44

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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.