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Finding the Fourth Proportional to 222,342.32, 306,834.36 and 131,703.44

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Solution

The fourth proportional to 222,342.32, 306,834.36 and 131,703.44 is: 181,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,342.32 : 306,834.36 = 131,703.44 : x
  2. Step 2: Convert to fraction form
    222,342.32/306,834.36 = 131,703.44/x
  3. Step 3: Cross multiply
    222,342.32x = 306,834.36 × 131,703.44
  4. Step 4: Simplify right side
    222,342.32x = 40,411,140,722.20
  5. Step 5: Solve for x
    x = 40,411,140,722.20/222,342.32
  6. Step 6: Final answer
    x = 181,751.91

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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.