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Finding the Fourth Proportional to 110,170.97, 152,082.45 and 74,409.41

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Solution

The fourth proportional to 110,170.97, 152,082.45 and 74,409.41 is: 102,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,170.97 : 152,082.45 = 74,409.41 : x
  2. Step 2: Convert to fraction form
    110,170.97/152,082.45 = 74,409.41/x
  3. Step 3: Cross multiply
    110,170.97x = 152,082.45 × 74,409.41
  4. Step 4: Simplify right side
    110,170.97x = 11,316,365,756.06
  5. Step 5: Solve for x
    x = 11,316,365,756.06/110,170.97
  6. Step 6: Final answer
    x = 102,716.40

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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.