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Finding the Fourth Proportional to 103,462.40, 155,193.60 and 41,132.90

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Solution

The fourth proportional to 103,462.40, 155,193.60 and 41,132.90 is: 61,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,462.40 : 155,193.60 = 41,132.90 : x
  2. Step 2: Convert to fraction form
    103,462.40/155,193.60 = 41,132.90/x
  3. Step 3: Cross multiply
    103,462.40x = 155,193.60 × 41,132.90
  4. Step 4: Simplify right side
    103,462.40x = 6,383,562,829.44
  5. Step 5: Solve for x
    x = 6,383,562,829.44/103,462.40
  6. Step 6: Final answer
    x = 61,699.35

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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.