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Finding the Fourth Proportional to 116,709.96, 175,048.38 and 66,627.66

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Solution

The fourth proportional to 116,709.96, 175,048.38 and 66,627.66 is: 99,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,709.96 : 175,048.38 = 66,627.66 : x
  2. Step 2: Convert to fraction form
    116,709.96/175,048.38 = 66,627.66/x
  3. Step 3: Cross multiply
    116,709.96x = 175,048.38 × 66,627.66
  4. Step 4: Simplify right side
    116,709.96x = 11,663,063,946.19
  5. Step 5: Solve for x
    x = 11,663,063,946.19/116,709.96
  6. Step 6: Final answer
    x = 99,932.04

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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.