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Finding the Fourth Proportional to 171,239.04, 256,832.64 and 46,589.76

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Solution

The fourth proportional to 171,239.04, 256,832.64 and 46,589.76 is: 69,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,239.04 : 256,832.64 = 46,589.76 : x
  2. Step 2: Convert to fraction form
    171,239.04/256,832.64 = 46,589.76/x
  3. Step 3: Cross multiply
    171,239.04x = 256,832.64 × 46,589.76
  4. Step 4: Simplify right side
    171,239.04x = 11,965,771,057.77
  5. Step 5: Solve for x
    x = 11,965,771,057.77/171,239.04
  6. Step 6: Final answer
    x = 69,877.59

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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.