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Finding the Fourth Proportional to 165,998.80, 249,257.40 and 96,014.80

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Solution

The fourth proportional to 165,998.80, 249,257.40 and 96,014.80 is: 144,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,998.80 : 249,257.40 = 96,014.80 : x
  2. Step 2: Convert to fraction form
    165,998.80/249,257.40 = 96,014.80/x
  3. Step 3: Cross multiply
    165,998.80x = 249,257.40 × 96,014.80
  4. Step 4: Simplify right side
    165,998.80x = 23,932,399,409.52
  5. Step 5: Solve for x
    x = 23,932,399,409.52/165,998.80
  6. Step 6: Final answer
    x = 144,172.12

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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.