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Finding the Fourth Proportional to 178,053.76, 266,896.06 and 111,340.74

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Solution

The fourth proportional to 178,053.76, 266,896.06 and 111,340.74 is: 166,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,053.76 : 266,896.06 = 111,340.74 : x
  2. Step 2: Convert to fraction form
    178,053.76/266,896.06 = 111,340.74/x
  3. Step 3: Cross multiply
    178,053.76x = 266,896.06 × 111,340.74
  4. Step 4: Simplify right side
    178,053.76x = 29,716,404,823.48
  5. Step 5: Solve for x
    x = 29,716,404,823.48/178,053.76
  6. Step 6: Final answer
    x = 166,895.69

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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.