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Finding the Fourth Proportional to 79,189.94, 109,277.88 and 43,373.18

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Solution

The fourth proportional to 79,189.94, 109,277.88 and 43,373.18 is: 59,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,189.94 : 109,277.88 = 43,373.18 : x
  2. Step 2: Convert to fraction form
    79,189.94/109,277.88 = 43,373.18/x
  3. Step 3: Cross multiply
    79,189.94x = 109,277.88 × 43,373.18
  4. Step 4: Simplify right side
    79,189.94x = 4,739,729,159.26
  5. Step 5: Solve for x
    x = 4,739,729,159.26/79,189.94
  6. Step 6: Final answer
    x = 59,852.67

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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.