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Finding the Fourth Proportional to 203,496.16, 280,857.48 and 118,596.80

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Solution

The fourth proportional to 203,496.16, 280,857.48 and 118,596.80 is: 163,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,496.16 : 280,857.48 = 118,596.80 : x
  2. Step 2: Convert to fraction form
    203,496.16/280,857.48 = 118,596.80/x
  3. Step 3: Cross multiply
    203,496.16x = 280,857.48 × 118,596.80
  4. Step 4: Simplify right side
    203,496.16x = 33,308,798,384.06
  5. Step 5: Solve for x
    x = 33,308,798,384.06/203,496.16
  6. Step 6: Final answer
    x = 163,682.69

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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.