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Finding the Fourth Proportional to 174,230.80, 261,077.40 and 129,648.40

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Solution

The fourth proportional to 174,230.80, 261,077.40 and 129,648.40 is: 194,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,230.80 : 261,077.40 = 129,648.40 : x
  2. Step 2: Convert to fraction form
    174,230.80/261,077.40 = 129,648.40/x
  3. Step 3: Cross multiply
    174,230.80x = 261,077.40 × 129,648.40
  4. Step 4: Simplify right side
    174,230.80x = 33,848,267,186.16
  5. Step 5: Solve for x
    x = 33,848,267,186.16/174,230.80
  6. Step 6: Final answer
    x = 194,272.58

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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.