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Finding the Fourth Proportional to 176,636.65, 264,566.17 and 156,937.45

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Solution

The fourth proportional to 176,636.65, 264,566.17 and 156,937.45 is: 235,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,636.65 : 264,566.17 = 156,937.45 : x
  2. Step 2: Convert to fraction form
    176,636.65/264,566.17 = 156,937.45/x
  3. Step 3: Cross multiply
    176,636.65x = 264,566.17 × 156,937.45
  4. Step 4: Simplify right side
    176,636.65x = 41,520,340,076.07
  5. Step 5: Solve for x
    x = 41,520,340,076.07/176,636.65
  6. Step 6: Final answer
    x = 235,060.73

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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.