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Finding the Fourth Proportional to 181,903.62, 250,993.65 and 101,329.14

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Solution

The fourth proportional to 181,903.62, 250,993.65 and 101,329.14 is: 139,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,903.62 : 250,993.65 = 101,329.14 : x
  2. Step 2: Convert to fraction form
    181,903.62/250,993.65 = 101,329.14/x
  3. Step 3: Cross multiply
    181,903.62x = 250,993.65 × 101,329.14
  4. Step 4: Simplify right side
    181,903.62x = 25,432,970,699.96
  5. Step 5: Solve for x
    x = 25,432,970,699.96/181,903.62
  6. Step 6: Final answer
    x = 139,815.64

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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.