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Finding the Fourth Proportional to 165,991.80, 249,246.90 and 96,007.80

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Solution

The fourth proportional to 165,991.80, 249,246.90 and 96,007.80 is: 144,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,991.80 : 249,246.90 = 96,007.80 : x
  2. Step 2: Convert to fraction form
    165,991.80/249,246.90 = 96,007.80/x
  3. Step 3: Cross multiply
    165,991.80x = 249,246.90 × 96,007.80
  4. Step 4: Simplify right side
    165,991.80x = 23,929,646,525.82
  5. Step 5: Solve for x
    x = 23,929,646,525.82/165,991.80
  6. Step 6: Final answer
    x = 144,161.62

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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.