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Finding the Fourth Proportional to 176,445.18, 264,519 and 76,530.15

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Solution

The fourth proportional to 176,445.18, 264,519 and 76,530.15 is: 114,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,445.18 : 264,519 = 76,530.15 : x
  2. Step 2: Convert to fraction form
    176,445.18/264,519 = 76,530.15/x
  3. Step 3: Cross multiply
    176,445.18x = 264,519 × 76,530.15
  4. Step 4: Simplify right side
    176,445.18x = 20,243,678,747.85
  5. Step 5: Solve for x
    x = 20,243,678,747.85/176,445.18
  6. Step 6: Final answer
    x = 114,730.70

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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.