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Finding the Fourth Proportional to 178,249.52, 245,973.66 and 97,661

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Solution

The fourth proportional to 178,249.52, 245,973.66 and 97,661 is: 134,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,249.52 : 245,973.66 = 97,661 : x
  2. Step 2: Convert to fraction form
    178,249.52/245,973.66 = 97,661/x
  3. Step 3: Cross multiply
    178,249.52x = 245,973.66 × 97,661
  4. Step 4: Simplify right side
    178,249.52x = 24,022,033,609.26
  5. Step 5: Solve for x
    x = 24,022,033,609.26/178,249.52
  6. Step 6: Final answer
    x = 134,766.33

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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.