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Finding the Fourth Proportional to 133,077,361.60, 199,616,042.40 and 75,746,468.80

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Solution

The fourth proportional to 133,077,361.60, 199,616,042.40 and 75,746,468.80 is: 113,619,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,077,361.60 : 199,616,042.40 = 75,746,468.80 : x
  2. Step 2: Convert to fraction form
    133,077,361.60/199,616,042.40 = 75,746,468.80/x
  3. Step 3: Cross multiply
    133,077,361.60x = 199,616,042.40 × 75,746,468.80
  4. Step 4: Simplify right side
    133,077,361.60x = 15,120,210,327,631,076
  5. Step 5: Solve for x
    x = 15,120,210,327,631,076/133,077,361.60
  6. Step 6: Final answer
    x = 113,619,703.20

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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.