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Finding the Fourth Proportional to 170,999.96, 256,499.88 and 46,340.96

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Solution

The fourth proportional to 170,999.96, 256,499.88 and 46,340.96 is: 69,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,999.96 : 256,499.88 = 46,340.96 : x
  2. Step 2: Convert to fraction form
    170,999.96/256,499.88 = 46,340.96/x
  3. Step 3: Cross multiply
    170,999.96x = 256,499.88 × 46,340.96
  4. Step 4: Simplify right side
    170,999.96x = 11,886,450,679.08
  5. Step 5: Solve for x
    x = 11,886,450,679.08/170,999.96
  6. Step 6: Final answer
    x = 69,511.42

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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.