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Finding the Fourth Proportional to 36,903,957.40, 55,355,936.10 and 36,903,957.40

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Solution

The fourth proportional to 36,903,957.40, 55,355,936.10 and 36,903,957.40 is: 55,355,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903,957.40 : 55,355,936.10 = 36,903,957.40 : x
  2. Step 2: Convert to fraction form
    36,903,957.40/55,355,936.10 = 36,903,957.40/x
  3. Step 3: Cross multiply
    36,903,957.40x = 55,355,936.10 × 36,903,957.40
  4. Step 4: Simplify right side
    36,903,957.40x = 2,042,853,107,671,522
  5. Step 5: Solve for x
    x = 2,042,853,107,671,522/36,903,957.40
  6. Step 6: Final answer
    x = 55,355,936.10

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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.