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Finding the Fourth Proportional to 181,398.93, 250,330.26 and 100,833.94

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Solution

The fourth proportional to 181,398.93, 250,330.26 and 100,833.94 is: 139,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,398.93 : 250,330.26 = 100,833.94 : x
  2. Step 2: Convert to fraction form
    181,398.93/250,330.26 = 100,833.94/x
  3. Step 3: Cross multiply
    181,398.93x = 250,330.26 × 100,833.94
  4. Step 4: Simplify right side
    181,398.93x = 25,241,786,417.02
  5. Step 5: Solve for x
    x = 25,241,786,417.02/181,398.93
  6. Step 6: Final answer
    x = 139,150.69

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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.