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Finding the Fourth Proportional to 180,420.89, 248,893.16 and 119,191.03

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Solution

The fourth proportional to 180,420.89, 248,893.16 and 119,191.03 is: 164,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,420.89 : 248,893.16 = 119,191.03 : x
  2. Step 2: Convert to fraction form
    180,420.89/248,893.16 = 119,191.03/x
  3. Step 3: Cross multiply
    180,420.89x = 248,893.16 × 119,191.03
  4. Step 4: Simplify right side
    180,420.89x = 29,665,830,882.17
  5. Step 5: Solve for x
    x = 29,665,830,882.17/180,420.89
  6. Step 6: Final answer
    x = 164,425.70

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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.