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Finding the Fourth Proportional to 176,511.49, 264,764.95 and 43,392.90

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Solution

The fourth proportional to 176,511.49, 264,764.95 and 43,392.90 is: 65,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,511.49 : 264,764.95 = 43,392.90 : x
  2. Step 2: Convert to fraction form
    176,511.49/264,764.95 = 43,392.90/x
  3. Step 3: Cross multiply
    176,511.49x = 264,764.95 × 43,392.90
  4. Step 4: Simplify right side
    176,511.49x = 11,488,918,998.86
  5. Step 5: Solve for x
    x = 11,488,918,998.86/176,511.49
  6. Step 6: Final answer
    x = 65,088.79

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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.