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Finding the Fourth Proportional to 220,467.52, 304,243.68 and 119,865.52

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Solution

The fourth proportional to 220,467.52, 304,243.68 and 119,865.52 is: 165,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,467.52 : 304,243.68 = 119,865.52 : x
  2. Step 2: Convert to fraction form
    220,467.52/304,243.68 = 119,865.52/x
  3. Step 3: Cross multiply
    220,467.52x = 304,243.68 × 119,865.52
  4. Step 4: Simplify right side
    220,467.52x = 36,468,326,909.91
  5. Step 5: Solve for x
    x = 36,468,326,909.91/220,467.52
  6. Step 6: Final answer
    x = 165,413.60

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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.