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Finding the Fourth Proportional to 130,800.68, 195,934.72 and 119,902.12

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Solution

The fourth proportional to 130,800.68, 195,934.72 and 119,902.12 is: 179,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,800.68 : 195,934.72 = 119,902.12 : x
  2. Step 2: Convert to fraction form
    130,800.68/195,934.72 = 119,902.12/x
  3. Step 3: Cross multiply
    130,800.68x = 195,934.72 × 119,902.12
  4. Step 4: Simplify right side
    130,800.68x = 23,492,988,309.61
  5. Step 5: Solve for x
    x = 23,492,988,309.61/130,800.68
  6. Step 6: Final answer
    x = 179,609.07

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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.