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Finding the Fourth Proportional to 104,420.40, 156,630.60 and 37,860.45

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Solution

The fourth proportional to 104,420.40, 156,630.60 and 37,860.45 is: 56,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,420.40 : 156,630.60 = 37,860.45 : x
  2. Step 2: Convert to fraction form
    104,420.40/156,630.60 = 37,860.45/x
  3. Step 3: Cross multiply
    104,420.40x = 156,630.60 × 37,860.45
  4. Step 4: Simplify right side
    104,420.40x = 5,930,104,999.77
  5. Step 5: Solve for x
    x = 5,930,104,999.77/104,420.40
  6. Step 6: Final answer
    x = 56,790.68

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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.