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Finding the Fourth Proportional to 117,363.40, 176,096.94 and 47,379.40

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Solution

The fourth proportional to 117,363.40, 176,096.94 and 47,379.40 is: 71,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,363.40 : 176,096.94 = 47,379.40 : x
  2. Step 2: Convert to fraction form
    117,363.40/176,096.94 = 47,379.40/x
  3. Step 3: Cross multiply
    117,363.40x = 176,096.94 × 47,379.40
  4. Step 4: Simplify right side
    117,363.40x = 8,343,367,359.04
  5. Step 5: Solve for x
    x = 8,343,367,359.04/117,363.40
  6. Step 6: Final answer
    x = 71,090.03

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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.