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Finding the Fourth Proportional to 222,976.80, 307,657.44 and 127,468.08

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Solution

The fourth proportional to 222,976.80, 307,657.44 and 127,468.08 is: 175,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,976.80 : 307,657.44 = 127,468.08 : x
  2. Step 2: Convert to fraction form
    222,976.80/307,657.44 = 127,468.08/x
  3. Step 3: Cross multiply
    222,976.80x = 307,657.44 × 127,468.08
  4. Step 4: Simplify right side
    222,976.80x = 39,216,503,174.52
  5. Step 5: Solve for x
    x = 39,216,503,174.52/222,976.80
  6. Step 6: Final answer
    x = 175,877.06

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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.