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Finding the Fourth Proportional to 167,792,689.60, 251,263,881.60 and 133,780,465.60

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Solution

The fourth proportional to 167,792,689.60, 251,263,881.60 and 133,780,465.60 is: 200,331,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,792,689.60 : 251,263,881.60 = 133,780,465.60 : x
  2. Step 2: Convert to fraction form
    167,792,689.60/251,263,881.60 = 133,780,465.60/x
  3. Step 3: Cross multiply
    167,792,689.60x = 251,263,881.60 × 133,780,465.60
  4. Step 4: Simplify right side
    167,792,689.60x = 33,614,199,068,911,272
  5. Step 5: Solve for x
    x = 33,614,199,068,911,272/167,792,689.60
  6. Step 6: Final answer
    x = 200,331,725.71

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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.