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Finding the Fourth Proportional to 119,381.79, 179,079.07 and 30,636.06

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Solution

The fourth proportional to 119,381.79, 179,079.07 and 30,636.06 is: 45,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,381.79 : 179,079.07 = 30,636.06 : x
  2. Step 2: Convert to fraction form
    119,381.79/179,079.07 = 30,636.06/x
  3. Step 3: Cross multiply
    119,381.79x = 179,079.07 × 30,636.06
  4. Step 4: Simplify right side
    119,381.79x = 5,486,277,056.67
  5. Step 5: Solve for x
    x = 5,486,277,056.67/119,381.79
  6. Step 6: Final answer
    x = 45,955.73

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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.