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Finding the Fourth Proportional to 227,482.20, 341,223.30 and 156,623.40

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Solution

The fourth proportional to 227,482.20, 341,223.30 and 156,623.40 is: 234,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,482.20 : 341,223.30 = 156,623.40 : x
  2. Step 2: Convert to fraction form
    227,482.20/341,223.30 = 156,623.40/x
  3. Step 3: Cross multiply
    227,482.20x = 341,223.30 × 156,623.40
  4. Step 4: Simplify right side
    227,482.20x = 53,443,553,405.22
  5. Step 5: Solve for x
    x = 53,443,553,405.22/227,482.20
  6. Step 6: Final answer
    x = 234,935.10

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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.