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Finding the Fourth Proportional to 144,630.80, 216,568.88 and 116,396.62

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Solution

The fourth proportional to 144,630.80, 216,568.88 and 116,396.62 is: 174,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,630.80 : 216,568.88 = 116,396.62 : x
  2. Step 2: Convert to fraction form
    144,630.80/216,568.88 = 116,396.62/x
  3. Step 3: Cross multiply
    144,630.80x = 216,568.88 × 116,396.62
  4. Step 4: Simplify right side
    144,630.80x = 25,207,885,629.19
  5. Step 5: Solve for x
    x = 25,207,885,629.19/144,630.80
  6. Step 6: Final answer
    x = 174,291.27

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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.