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Finding the Fourth Proportional to 180,119.25, 270,094.01 and 105,260.94

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Solution

The fourth proportional to 180,119.25, 270,094.01 and 105,260.94 is: 157,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,119.25 : 270,094.01 = 105,260.94 : x
  2. Step 2: Convert to fraction form
    180,119.25/270,094.01 = 105,260.94/x
  3. Step 3: Cross multiply
    180,119.25x = 270,094.01 × 105,260.94
  4. Step 4: Simplify right side
    180,119.25x = 28,430,348,854.66
  5. Step 5: Solve for x
    x = 28,430,348,854.66/180,119.25
  6. Step 6: Final answer
    x = 157,841.81

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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.