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Finding the Fourth Proportional to 104,315.60, 156,408.60 and 59,920.40

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Solution

The fourth proportional to 104,315.60, 156,408.60 and 59,920.40 is: 89,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,315.60 : 156,408.60 = 59,920.40 : x
  2. Step 2: Convert to fraction form
    104,315.60/156,408.60 = 59,920.40/x
  3. Step 3: Cross multiply
    104,315.60x = 156,408.60 × 59,920.40
  4. Step 4: Simplify right side
    104,315.60x = 9,372,065,875.44
  5. Step 5: Solve for x
    x = 9,372,065,875.44/104,315.60
  6. Step 6: Final answer
    x = 89,843.38

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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.