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Finding the Fourth Proportional to 123,020,599.80, 184,530,899.70 and 123,020,599.80

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Solution

The fourth proportional to 123,020,599.80, 184,530,899.70 and 123,020,599.80 is: 184,530,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020,599.80 : 184,530,899.70 = 123,020,599.80 : x
  2. Step 2: Convert to fraction form
    123,020,599.80/184,530,899.70 = 123,020,599.80/x
  3. Step 3: Cross multiply
    123,020,599.80x = 184,530,899.70 × 123,020,599.80
  4. Step 4: Simplify right side
    123,020,599.80x = 22,701,101,962,727,640
  5. Step 5: Solve for x
    x = 22,701,101,962,727,640/123,020,599.80
  6. Step 6: Final answer
    x = 184,530,899.70

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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.