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Finding the Fourth Proportional to 176,443.20, 264,664.80 and 156,614.40

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Solution

The fourth proportional to 176,443.20, 264,664.80 and 156,614.40 is: 234,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,443.20 : 264,664.80 = 156,614.40 : x
  2. Step 2: Convert to fraction form
    176,443.20/264,664.80 = 156,614.40/x
  3. Step 3: Cross multiply
    176,443.20x = 264,664.80 × 156,614.40
  4. Step 4: Simplify right side
    176,443.20x = 41,450,318,853.12
  5. Step 5: Solve for x
    x = 41,450,318,853.12/176,443.20
  6. Step 6: Final answer
    x = 234,921.60

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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.