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Finding the Fourth Proportional to 117,423.50, 176,167.65 and 34,317.50

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Solution

The fourth proportional to 117,423.50, 176,167.65 and 34,317.50 is: 51,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,423.50 : 176,167.65 = 34,317.50 : x
  2. Step 2: Convert to fraction form
    117,423.50/176,167.65 = 34,317.50/x
  3. Step 3: Cross multiply
    117,423.50x = 176,167.65 × 34,317.50
  4. Step 4: Simplify right side
    117,423.50x = 6,045,633,328.88
  5. Step 5: Solve for x
    x = 6,045,633,328.88/117,423.50
  6. Step 6: Final answer
    x = 51,485.72

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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.