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Finding the Fourth Proportional to 180,375.02, 248,809.10 and 119,121.77

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Solution

The fourth proportional to 180,375.02, 248,809.10 and 119,121.77 is: 164,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,375.02 : 248,809.10 = 119,121.77 : x
  2. Step 2: Convert to fraction form
    180,375.02/248,809.10 = 119,121.77/x
  3. Step 3: Cross multiply
    180,375.02x = 248,809.10 × 119,121.77
  4. Step 4: Simplify right side
    180,375.02x = 29,638,578,544.45
  5. Step 5: Solve for x
    x = 29,638,578,544.45/180,375.02
  6. Step 6: Final answer
    x = 164,316.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.