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Finding the Fourth Proportional to 211,404.85, 317,073.50 and 61,610.10

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Solution

The fourth proportional to 211,404.85, 317,073.50 and 61,610.10 is: 92,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,404.85 : 317,073.50 = 61,610.10 : x
  2. Step 2: Convert to fraction form
    211,404.85/317,073.50 = 61,610.10/x
  3. Step 3: Cross multiply
    211,404.85x = 317,073.50 × 61,610.10
  4. Step 4: Simplify right side
    211,404.85x = 19,534,930,042.35
  5. Step 5: Solve for x
    x = 19,534,930,042.35/211,404.85
  6. Step 6: Final answer
    x = 92,405.31

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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.