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Finding the Fourth Proportional to 181,420.80, 250,342.56 and 104,934.12

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Solution

The fourth proportional to 181,420.80, 250,342.56 and 104,934.12 is: 144,798.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,420.80 : 250,342.56 = 104,934.12 : x
  2. Step 2: Convert to fraction form
    181,420.80/250,342.56 = 104,934.12/x
  3. Step 3: Cross multiply
    181,420.80x = 250,342.56 × 104,934.12
  4. Step 4: Simplify right side
    181,420.80x = 26,269,476,232.15
  5. Step 5: Solve for x
    x = 26,269,476,232.15/181,420.80
  6. Step 6: Final answer
    x = 144,798.59

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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.