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Finding the Fourth Proportional to 135,796.46, 186,734.40 and 117,860.22

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Solution

The fourth proportional to 135,796.46, 186,734.40 and 117,860.22 is: 162,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,796.46 : 186,734.40 = 117,860.22 : x
  2. Step 2: Convert to fraction form
    135,796.46/186,734.40 = 117,860.22/x
  3. Step 3: Cross multiply
    135,796.46x = 186,734.40 × 117,860.22
  4. Step 4: Simplify right side
    135,796.46x = 22,008,557,465.57
  5. Step 5: Solve for x
    x = 22,008,557,465.57/135,796.46
  6. Step 6: Final answer
    x = 162,070.19

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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.