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Finding the Fourth Proportional to 181,511.76, 250,508.56 and 109,916.68

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Solution

The fourth proportional to 181,511.76, 250,508.56 and 109,916.68 is: 151,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,511.76 : 250,508.56 = 109,916.68 : x
  2. Step 2: Convert to fraction form
    181,511.76/250,508.56 = 109,916.68/x
  3. Step 3: Cross multiply
    181,511.76x = 250,508.56 × 109,916.68
  4. Step 4: Simplify right side
    181,511.76x = 27,535,069,226.78
  5. Step 5: Solve for x
    x = 27,535,069,226.78/181,511.76
  6. Step 6: Final answer
    x = 151,698.54

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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.