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Finding the Fourth Proportional to 370,706.50, 555,859.72 and 168,192.08

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Solution

The fourth proportional to 370,706.50, 555,859.72 and 168,192.08 is: 252,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,706.50 : 555,859.72 = 168,192.08 : x
  2. Step 2: Convert to fraction form
    370,706.50/555,859.72 = 168,192.08/x
  3. Step 3: Cross multiply
    370,706.50x = 555,859.72 × 168,192.08
  4. Step 4: Simplify right side
    370,706.50x = 93,491,202,495.02
  5. Step 5: Solve for x
    x = 93,491,202,495.02/370,706.50
  6. Step 6: Final answer
    x = 252,197.37

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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.