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Finding the Fourth Proportional to 176,520.48, 264,631.68 and 76,605.12

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Solution

The fourth proportional to 176,520.48, 264,631.68 and 76,605.12 is: 114,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,520.48 : 264,631.68 = 76,605.12 : x
  2. Step 2: Convert to fraction form
    176,520.48/264,631.68 = 76,605.12/x
  3. Step 3: Cross multiply
    176,520.48x = 264,631.68 × 76,605.12
  4. Step 4: Simplify right side
    176,520.48x = 20,272,141,602.20
  5. Step 5: Solve for x
    x = 20,272,141,602.20/176,520.48
  6. Step 6: Final answer
    x = 114,843.00

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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.