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Finding the Fourth Proportional to 116,636.87, 174,963.18 and 39,668.52

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Solution

The fourth proportional to 116,636.87, 174,963.18 and 39,668.52 is: 59,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,636.87 : 174,963.18 = 39,668.52 : x
  2. Step 2: Convert to fraction form
    116,636.87/174,963.18 = 39,668.52/x
  3. Step 3: Cross multiply
    116,636.87x = 174,963.18 × 39,668.52
  4. Step 4: Simplify right side
    116,636.87x = 6,940,531,209.96
  5. Step 5: Solve for x
    x = 6,940,531,209.96/116,636.87
  6. Step 6: Final answer
    x = 59,505.46

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1.5x scale

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.