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Finding the Fourth Proportional to 355,172.34, 532,803.83 and 163,000.15

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Solution

The fourth proportional to 355,172.34, 532,803.83 and 163,000.15 is: 244,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,172.34 : 532,803.83 = 163,000.15 : x
  2. Step 2: Convert to fraction form
    355,172.34/532,803.83 = 163,000.15/x
  3. Step 3: Cross multiply
    355,172.34x = 532,803.83 × 163,000.15
  4. Step 4: Simplify right side
    355,172.34x = 86,847,102,063.56
  5. Step 5: Solve for x
    x = 86,847,102,063.56/355,172.34
  6. Step 6: Final answer
    x = 244,521.02

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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.