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Finding the Fourth Proportional to 115,735.68, 159,751.08 and 67,352.04

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Solution

The fourth proportional to 115,735.68, 159,751.08 and 67,352.04 is: 92,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,735.68 : 159,751.08 = 67,352.04 : x
  2. Step 2: Convert to fraction form
    115,735.68/159,751.08 = 67,352.04/x
  3. Step 3: Cross multiply
    115,735.68x = 159,751.08 × 67,352.04
  4. Step 4: Simplify right side
    115,735.68x = 10,759,561,130.20
  5. Step 5: Solve for x
    x = 10,759,561,130.20/115,735.68
  6. Step 6: Final answer
    x = 92,966.67

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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.