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Finding the Fourth Proportional to 180,276.93, 270,422.15 and 53,918.82

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Solution

The fourth proportional to 180,276.93, 270,422.15 and 53,918.82 is: 80,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,276.93 : 270,422.15 = 53,918.82 : x
  2. Step 2: Convert to fraction form
    180,276.93/270,422.15 = 53,918.82/x
  3. Step 3: Cross multiply
    180,276.93x = 270,422.15 × 53,918.82
  4. Step 4: Simplify right side
    180,276.93x = 14,580,842,960.27
  5. Step 5: Solve for x
    x = 14,580,842,960.27/180,276.93
  6. Step 6: Final answer
    x = 80,880.25

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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.