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Finding the Fourth Proportional to 133,520,703.60, 200,185,410.60 and 51,569,439.60

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Solution

The fourth proportional to 133,520,703.60, 200,185,410.60 and 51,569,439.60 is: 77,317,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,520,703.60 : 200,185,410.60 = 51,569,439.60 : x
  2. Step 2: Convert to fraction form
    133,520,703.60/200,185,410.60 = 51,569,439.60/x
  3. Step 3: Cross multiply
    133,520,703.60x = 200,185,410.60 × 51,569,439.60
  4. Step 4: Simplify right side
    133,520,703.60x = 10,323,449,440,737,900
  5. Step 5: Solve for x
    x = 10,323,449,440,737,900/133,520,703.60
  6. Step 6: Final answer
    x = 77,317,218.70

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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.