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Finding the Fourth Proportional to 202,690.67, 279,684.56 and 116,616.96

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Solution

The fourth proportional to 202,690.67, 279,684.56 and 116,616.96 is: 160,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,690.67 : 279,684.56 = 116,616.96 : x
  2. Step 2: Convert to fraction form
    202,690.67/279,684.56 = 116,616.96/x
  3. Step 3: Cross multiply
    202,690.67x = 279,684.56 × 116,616.96
  4. Step 4: Simplify right side
    202,690.67x = 32,615,963,437.68
  5. Step 5: Solve for x
    x = 32,615,963,437.68/202,690.67
  6. Step 6: Final answer
    x = 160,914.98

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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.