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Finding the Fourth Proportional to 235,086.69, 324,420.29 and 127,658.52

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Solution

The fourth proportional to 235,086.69, 324,420.29 and 127,658.52 is: 176,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,086.69 : 324,420.29 = 127,658.52 : x
  2. Step 2: Convert to fraction form
    235,086.69/324,420.29 = 127,658.52/x
  3. Step 3: Cross multiply
    235,086.69x = 324,420.29 × 127,658.52
  4. Step 4: Simplify right side
    235,086.69x = 41,415,013,441.08
  5. Step 5: Solve for x
    x = 41,415,013,441.08/235,086.69
  6. Step 6: Final answer
    x = 176,169.11

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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.