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Finding the Fourth Proportional to 104,647.16, 156,760.32 and 48,408.32

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Solution

The fourth proportional to 104,647.16, 156,760.32 and 48,408.32 is: 72,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,647.16 : 156,760.32 = 48,408.32 : x
  2. Step 2: Convert to fraction form
    104,647.16/156,760.32 = 48,408.32/x
  3. Step 3: Cross multiply
    104,647.16x = 156,760.32 × 48,408.32
  4. Step 4: Simplify right side
    104,647.16x = 7,588,503,733.86
  5. Step 5: Solve for x
    x = 7,588,503,733.86/104,647.16
  6. Step 6: Final answer
    x = 72,515.14

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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.