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Finding the Fourth Proportional to 171,342.63, 256,985.87 and 46,693.35

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Solution

The fourth proportional to 171,342.63, 256,985.87 and 46,693.35 is: 70,032.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,342.63 : 256,985.87 = 46,693.35 : x
  2. Step 2: Convert to fraction form
    171,342.63/256,985.87 = 46,693.35/x
  3. Step 3: Cross multiply
    171,342.63x = 256,985.87 × 46,693.35
  4. Step 4: Simplify right side
    171,342.63x = 11,999,530,939.50
  5. Step 5: Solve for x
    x = 11,999,530,939.50/171,342.63
  6. Step 6: Final answer
    x = 70,032.37

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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.