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Finding the Fourth Proportional to 132,485.29, 182,751.70 and 83,348.63

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Solution

The fourth proportional to 132,485.29, 182,751.70 and 83,348.63 is: 114,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,485.29 : 182,751.70 = 83,348.63 : x
  2. Step 2: Convert to fraction form
    132,485.29/182,751.70 = 83,348.63/x
  3. Step 3: Cross multiply
    132,485.29x = 182,751.70 × 83,348.63
  4. Step 4: Simplify right side
    132,485.29x = 15,232,103,408.43
  5. Step 5: Solve for x
    x = 15,232,103,408.43/132,485.29
  6. Step 6: Final answer
    x = 114,972.04

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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.