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Finding the Fourth Proportional to 110,861.34, 153,025.11 and 88,241.82

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Solution

The fourth proportional to 110,861.34, 153,025.11 and 88,241.82 is: 121,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,861.34 : 153,025.11 = 88,241.82 : x
  2. Step 2: Convert to fraction form
    110,861.34/153,025.11 = 88,241.82/x
  3. Step 3: Cross multiply
    110,861.34x = 153,025.11 × 88,241.82
  4. Step 4: Simplify right side
    110,861.34x = 13,503,214,212.10
  5. Step 5: Solve for x
    x = 13,503,214,212.10/110,861.34
  6. Step 6: Final answer
    x = 121,802.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.