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Finding the Fourth Proportional to 120,052.84, 180,079.08 and 35,810.80

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Solution

The fourth proportional to 120,052.84, 180,079.08 and 35,810.80 is: 53,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,052.84 : 180,079.08 = 35,810.80 : x
  2. Step 2: Convert to fraction form
    120,052.84/180,079.08 = 35,810.80/x
  3. Step 3: Cross multiply
    120,052.84x = 180,079.08 × 35,810.80
  4. Step 4: Simplify right side
    120,052.84x = 6,448,775,918.06
  5. Step 5: Solve for x
    x = 6,448,775,918.06/120,052.84
  6. Step 6: Final answer
    x = 53,716.15

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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.