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Finding the Fourth Proportional to 176,787, 264,825.72 and 87,771.24

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Solution

The fourth proportional to 176,787, 264,825.72 and 87,771.24 is: 131,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,787 : 264,825.72 = 87,771.24 : x
  2. Step 2: Convert to fraction form
    176,787/264,825.72 = 87,771.24/x
  3. Step 3: Cross multiply
    176,787x = 264,825.72 × 87,771.24
  4. Step 4: Simplify right side
    176,787x = 23,244,081,828.29
  5. Step 5: Solve for x
    x = 23,244,081,828.29/176,787
  6. Step 6: Final answer
    x = 131,480.72

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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.