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Finding the Fourth Proportional to 79,283.67, 118,945.34 and 55,955.67

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Solution

The fourth proportional to 79,283.67, 118,945.34 and 55,955.67 is: 83,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.67 : 118,945.34 = 55,955.67 : x
  2. Step 2: Convert to fraction form
    79,283.67/118,945.34 = 55,955.67/x
  3. Step 3: Cross multiply
    79,283.67x = 118,945.34 × 55,955.67
  4. Step 4: Simplify right side
    79,283.67x = 6,655,665,913.30
  5. Step 5: Solve for x
    x = 6,655,665,913.30/79,283.67
  6. Step 6: Final answer
    x = 83,947.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.