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Finding the Fourth Proportional to 110,861.84, 153,025.80 and 88,242.32

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Solution

The fourth proportional to 110,861.84, 153,025.80 and 88,242.32 is: 121,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,861.84 : 153,025.80 = 88,242.32 : x
  2. Step 2: Convert to fraction form
    110,861.84/153,025.80 = 88,242.32/x
  3. Step 3: Cross multiply
    110,861.84x = 153,025.80 × 88,242.32
  4. Step 4: Simplify right side
    110,861.84x = 13,503,351,611.86
  5. Step 5: Solve for x
    x = 13,503,351,611.86/110,861.84
  6. Step 6: Final answer
    x = 121,803.42

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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.