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Finding the Fourth Proportional to 117,668.91, 176,525.25 and 47,597.43

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Solution

The fourth proportional to 117,668.91, 176,525.25 and 47,597.43 is: 71,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,668.91 : 176,525.25 = 47,597.43 : x
  2. Step 2: Convert to fraction form
    117,668.91/176,525.25 = 47,597.43/x
  3. Step 3: Cross multiply
    117,668.91x = 176,525.25 × 47,597.43
  4. Step 4: Simplify right side
    117,668.91x = 8,402,148,230.11
  5. Step 5: Solve for x
    x = 8,402,148,230.11/117,668.91
  6. Step 6: Final answer
    x = 71,405.00

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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.