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Finding the Fourth Proportional to 169,709.77, 234,241.84 and 98,131.08

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Solution

The fourth proportional to 169,709.77, 234,241.84 and 98,131.08 is: 135,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,709.77 : 234,241.84 = 98,131.08 : x
  2. Step 2: Convert to fraction form
    169,709.77/234,241.84 = 98,131.08/x
  3. Step 3: Cross multiply
    169,709.77x = 234,241.84 × 98,131.08
  4. Step 4: Simplify right side
    169,709.77x = 22,986,404,740.39
  5. Step 5: Solve for x
    x = 22,986,404,740.39/169,709.77
  6. Step 6: Final answer
    x = 135,445.38

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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.