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Finding the Fourth Proportional to 171,322.30, 256,999.65 and 46,663.30

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Solution

The fourth proportional to 171,322.30, 256,999.65 and 46,663.30 is: 69,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,322.30 : 256,999.65 = 46,663.30 : x
  2. Step 2: Convert to fraction form
    171,322.30/256,999.65 = 46,663.30/x
  3. Step 3: Cross multiply
    171,322.30x = 256,999.65 × 46,663.30
  4. Step 4: Simplify right side
    171,322.30x = 11,992,451,767.85
  5. Step 5: Solve for x
    x = 11,992,451,767.85/171,322.30
  6. Step 6: Final answer
    x = 69,999.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.