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Finding the Fourth Proportional to 136,554.40, 204,639.60 and 108,522.40

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Solution

The fourth proportional to 136,554.40, 204,639.60 and 108,522.40 is: 162,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,554.40 : 204,639.60 = 108,522.40 : x
  2. Step 2: Convert to fraction form
    136,554.40/204,639.60 = 108,522.40/x
  3. Step 3: Cross multiply
    136,554.40x = 204,639.60 × 108,522.40
  4. Step 4: Simplify right side
    136,554.40x = 22,207,980,527.04
  5. Step 5: Solve for x
    x = 22,207,980,527.04/136,554.40
  6. Step 6: Final answer
    x = 162,631.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.