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Finding the Fourth Proportional to 222,838.81, 307,538.57 and 127,326.98

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Solution

The fourth proportional to 222,838.81, 307,538.57 and 127,326.98 is: 175,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,838.81 : 307,538.57 = 127,326.98 : x
  2. Step 2: Convert to fraction form
    222,838.81/307,538.57 = 127,326.98/x
  3. Step 3: Cross multiply
    222,838.81x = 307,538.57 × 127,326.98
  4. Step 4: Simplify right side
    222,838.81x = 39,157,957,351.62
  5. Step 5: Solve for x
    x = 39,157,957,351.62/222,838.81
  6. Step 6: Final answer
    x = 175,723.24

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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.