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Finding the Fourth Proportional to 180,147.49, 248,604.54 and 98,475.88

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Solution

The fourth proportional to 180,147.49, 248,604.54 and 98,475.88 is: 135,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,147.49 : 248,604.54 = 98,475.88 : x
  2. Step 2: Convert to fraction form
    180,147.49/248,604.54 = 98,475.88/x
  3. Step 3: Cross multiply
    180,147.49x = 248,604.54 × 98,475.88
  4. Step 4: Simplify right side
    180,147.49x = 24,481,550,848.50
  5. Step 5: Solve for x
    x = 24,481,550,848.50/180,147.49
  6. Step 6: Final answer
    x = 135,897.26

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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.