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Finding the Fourth Proportional to 96,419.80, 144,564.90 and 43,802.20

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Solution

The fourth proportional to 96,419.80, 144,564.90 and 43,802.20 is: 65,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,419.80 : 144,564.90 = 43,802.20 : x
  2. Step 2: Convert to fraction form
    96,419.80/144,564.90 = 43,802.20/x
  3. Step 3: Cross multiply
    96,419.80x = 144,564.90 × 43,802.20
  4. Step 4: Simplify right side
    96,419.80x = 6,332,260,662.78
  5. Step 5: Solve for x
    x = 6,332,260,662.78/96,419.80
  6. Step 6: Final answer
    x = 65,673.86

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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.