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Finding the Fourth Proportional to 181,196.70, 250,059.82 and 100,624.58

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Solution

The fourth proportional to 181,196.70, 250,059.82 and 100,624.58 is: 138,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,196.70 : 250,059.82 = 100,624.58 : x
  2. Step 2: Convert to fraction form
    181,196.70/250,059.82 = 100,624.58/x
  3. Step 3: Cross multiply
    181,196.70x = 250,059.82 × 100,624.58
  4. Step 4: Simplify right side
    181,196.70x = 25,162,164,362.38
  5. Step 5: Solve for x
    x = 25,162,164,362.38/181,196.70
  6. Step 6: Final answer
    x = 138,866.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.