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Finding the Fourth Proportional to 120,048.84, 180,073.08 and 35,806.80

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Solution

The fourth proportional to 120,048.84, 180,073.08 and 35,806.80 is: 53,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,048.84 : 180,073.08 = 35,806.80 : x
  2. Step 2: Convert to fraction form
    120,048.84/180,073.08 = 35,806.80/x
  3. Step 3: Cross multiply
    120,048.84x = 180,073.08 × 35,806.80
  4. Step 4: Simplify right side
    120,048.84x = 6,447,840,760.94
  5. Step 5: Solve for x
    x = 6,447,840,760.94/120,048.84
  6. Step 6: Final answer
    x = 53,710.15

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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.