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Finding the Fourth Proportional to 180,073.44, 248,270.40 and 123,386.40

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Solution

The fourth proportional to 180,073.44, 248,270.40 and 123,386.40 is: 170,114.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,073.44 : 248,270.40 = 123,386.40 : x
  2. Step 2: Convert to fraction form
    180,073.44/248,270.40 = 123,386.40/x
  3. Step 3: Cross multiply
    180,073.44x = 248,270.40 × 123,386.40
  4. Step 4: Simplify right side
    180,073.44x = 30,633,190,882.56
  5. Step 5: Solve for x
    x = 30,633,190,882.56/180,073.44
  6. Step 6: Final answer
    x = 170,114.99

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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.