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Finding the Fourth Proportional to 180,628.08, 270,852.81 and 105,767.07

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Solution

The fourth proportional to 180,628.08, 270,852.81 and 105,767.07 is: 158,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,628.08 : 270,852.81 = 105,767.07 : x
  2. Step 2: Convert to fraction form
    180,628.08/270,852.81 = 105,767.07/x
  3. Step 3: Cross multiply
    180,628.08x = 270,852.81 × 105,767.07
  4. Step 4: Simplify right side
    180,628.08x = 28,647,308,114.97
  5. Step 5: Solve for x
    x = 28,647,308,114.97/180,628.08
  6. Step 6: Final answer
    x = 158,598.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.