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Finding the Fourth Proportional to 176,587.32, 264,731.58 and 76,672.02

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Solution

The fourth proportional to 176,587.32, 264,731.58 and 76,672.02 is: 114,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,587.32 : 264,731.58 = 76,672.02 : x
  2. Step 2: Convert to fraction form
    176,587.32/264,731.58 = 76,672.02/x
  3. Step 3: Cross multiply
    176,587.32x = 264,731.58 × 76,672.02
  4. Step 4: Simplify right side
    176,587.32x = 20,297,504,996.39
  5. Step 5: Solve for x
    x = 20,297,504,996.39/176,587.32
  6. Step 6: Final answer
    x = 114,943.16

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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.