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Finding the Fourth Proportional to 116,596.40, 174,808.20 and 79,062.80

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Solution

The fourth proportional to 116,596.40, 174,808.20 and 79,062.80 is: 118,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,596.40 : 174,808.20 = 79,062.80 : x
  2. Step 2: Convert to fraction form
    116,596.40/174,808.20 = 79,062.80/x
  3. Step 3: Cross multiply
    116,596.40x = 174,808.20 × 79,062.80
  4. Step 4: Simplify right side
    116,596.40x = 13,820,825,754.96
  5. Step 5: Solve for x
    x = 13,820,825,754.96/116,596.40
  6. Step 6: Final answer
    x = 118,535.61

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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.