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Finding the Fourth Proportional to 170,896.96, 256,345.44 and 124,445.44

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Solution

The fourth proportional to 170,896.96, 256,345.44 and 124,445.44 is: 186,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,896.96 : 256,345.44 = 124,445.44 : x
  2. Step 2: Convert to fraction form
    170,896.96/256,345.44 = 124,445.44/x
  3. Step 3: Cross multiply
    170,896.96x = 256,345.44 × 124,445.44
  4. Step 4: Simplify right side
    170,896.96x = 31,901,021,072.79
  5. Step 5: Solve for x
    x = 31,901,021,072.79/170,896.96
  6. Step 6: Final answer
    x = 186,668.16

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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.