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Finding the Fourth Proportional to 136,368.34, 188,184.81 and 132,344.26

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Solution

The fourth proportional to 136,368.34, 188,184.81 and 132,344.26 is: 182,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,368.34 : 188,184.81 = 132,344.26 : x
  2. Step 2: Convert to fraction form
    136,368.34/188,184.81 = 132,344.26/x
  3. Step 3: Cross multiply
    136,368.34x = 188,184.81 × 132,344.26
  4. Step 4: Simplify right side
    136,368.34x = 24,905,179,422.69
  5. Step 5: Solve for x
    x = 24,905,179,422.69/136,368.34
  6. Step 6: Final answer
    x = 182,631.68

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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.