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Finding the Fourth Proportional to 36,671,621.20, 55,007,431.80 and 36,671,621.20

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Solution

The fourth proportional to 36,671,621.20, 55,007,431.80 and 36,671,621.20 is: 55,007,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,671,621.20 : 55,007,431.80 = 36,671,621.20 : x
  2. Step 2: Convert to fraction form
    36,671,621.20/55,007,431.80 = 36,671,621.20/x
  3. Step 3: Cross multiply
    36,671,621.20x = 55,007,431.80 × 36,671,621.20
  4. Step 4: Simplify right side
    36,671,621.20x = 2,017,211,702,154,434.25
  5. Step 5: Solve for x
    x = 2,017,211,702,154,434.25/36,671,621.20
  6. Step 6: Final answer
    x = 55,007,431.80

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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.