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Finding the Fourth Proportional to 180,370.80, 248,889.92 and 103,914.90

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Solution

The fourth proportional to 180,370.80, 248,889.92 and 103,914.90 is: 143,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,370.80 : 248,889.92 = 103,914.90 : x
  2. Step 2: Convert to fraction form
    180,370.80/248,889.92 = 103,914.90/x
  3. Step 3: Cross multiply
    180,370.80x = 248,889.92 × 103,914.90
  4. Step 4: Simplify right side
    180,370.80x = 25,863,370,628.23
  5. Step 5: Solve for x
    x = 25,863,370,628.23/180,370.80
  6. Step 6: Final answer
    x = 143,390.01

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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.