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Finding the Fourth Proportional to 180,696.80, 270,864.77 and 120,775.74

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Solution

The fourth proportional to 180,696.80, 270,864.77 and 120,775.74 is: 181,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,696.80 : 270,864.77 = 120,775.74 : x
  2. Step 2: Convert to fraction form
    180,696.80/270,864.77 = 120,775.74/x
  3. Step 3: Cross multiply
    180,696.80x = 270,864.77 × 120,775.74
  4. Step 4: Simplify right side
    180,696.80x = 32,713,892,432.80
  5. Step 5: Solve for x
    x = 32,713,892,432.80/180,696.80
  6. Step 6: Final answer
    x = 181,043.01

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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.