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Finding the Fourth Proportional to 162,697.54, 224,496.75 and 91,080.58

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Solution

The fourth proportional to 162,697.54, 224,496.75 and 91,080.58 is: 125,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,697.54 : 224,496.75 = 91,080.58 : x
  2. Step 2: Convert to fraction form
    162,697.54/224,496.75 = 91,080.58/x
  3. Step 3: Cross multiply
    162,697.54x = 224,496.75 × 91,080.58
  4. Step 4: Simplify right side
    162,697.54x = 20,447,294,198.12
  5. Step 5: Solve for x
    x = 20,447,294,198.12/162,697.54
  6. Step 6: Final answer
    x = 125,676.73

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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.