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Finding the Fourth Proportional to 136,517,999.60, 204,776,999.40 and 136,517,999.60

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Solution

The fourth proportional to 136,517,999.60, 204,776,999.40 and 136,517,999.60 is: 204,776,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,517,999.60 : 204,776,999.40 = 136,517,999.60 : x
  2. Step 2: Convert to fraction form
    136,517,999.60/204,776,999.40 = 136,517,999.60/x
  3. Step 3: Cross multiply
    136,517,999.60x = 204,776,999.40 × 136,517,999.60
  4. Step 4: Simplify right side
    136,517,999.60x = 27,955,746,322,178,400
  5. Step 5: Solve for x
    x = 27,955,746,322,178,400/136,517,999.60
  6. Step 6: Final answer
    x = 204,776,999.40

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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.