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Finding the Fourth Proportional to 85,196,116.20, 127,794,174.30 and 85,196,116.20

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Solution

The fourth proportional to 85,196,116.20, 127,794,174.30 and 85,196,116.20 is: 127,794,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,196,116.20 : 127,794,174.30 = 85,196,116.20 : x
  2. Step 2: Convert to fraction form
    85,196,116.20/127,794,174.30 = 85,196,116.20/x
  3. Step 3: Cross multiply
    85,196,116.20x = 127,794,174.30 × 85,196,116.20
  4. Step 4: Simplify right side
    85,196,116.20x = 10,887,567,323,345,854
  5. Step 5: Solve for x
    x = 10,887,567,323,345,854/85,196,116.20
  6. Step 6: Final answer
    x = 127,794,174.30

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1.5x scale

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.