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Finding the Fourth Proportional to 178,010.36, 266,959.75 and 51,659.32

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Solution

The fourth proportional to 178,010.36, 266,959.75 and 51,659.32 is: 77,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,010.36 : 266,959.75 = 51,659.32 : x
  2. Step 2: Convert to fraction form
    178,010.36/266,959.75 = 51,659.32/x
  3. Step 3: Cross multiply
    178,010.36x = 266,959.75 × 51,659.32
  4. Step 4: Simplify right side
    178,010.36x = 13,790,958,953.23
  5. Step 5: Solve for x
    x = 13,790,958,953.23/178,010.36
  6. Step 6: Final answer
    x = 77,472.79

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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.