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Finding the Fourth Proportional to 183,498.40, 275,247.60 and 120,715.30

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Solution

The fourth proportional to 183,498.40, 275,247.60 and 120,715.30 is: 181,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,498.40 : 275,247.60 = 120,715.30 : x
  2. Step 2: Convert to fraction form
    183,498.40/275,247.60 = 120,715.30/x
  3. Step 3: Cross multiply
    183,498.40x = 275,247.60 × 120,715.30
  4. Step 4: Simplify right side
    183,498.40x = 33,226,596,608.28
  5. Step 5: Solve for x
    x = 33,226,596,608.28/183,498.40
  6. Step 6: Final answer
    x = 181,072.95

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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.