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Finding the Fourth Proportional to 180,864,198.90, 253,550,000.70 and 180,864,198.90

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Solution

The fourth proportional to 180,864,198.90, 253,550,000.70 and 180,864,198.90 is: 253,550,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,864,198.90 : 253,550,000.70 = 180,864,198.90 : x
  2. Step 2: Convert to fraction form
    180,864,198.90/253,550,000.70 = 180,864,198.90/x
  3. Step 3: Cross multiply
    180,864,198.90x = 253,550,000.70 × 180,864,198.90
  4. Step 4: Simplify right side
    180,864,198.90x = 45,858,117,757,699,936
  5. Step 5: Solve for x
    x = 45,858,117,757,699,936/180,864,198.90
  6. Step 6: Final answer
    x = 253,550,000.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.