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Finding the Fourth Proportional to 404,101.76, 606,130.67 and 123,619.01

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Solution

The fourth proportional to 404,101.76, 606,130.67 and 123,619.01 is: 185,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,101.76 : 606,130.67 = 123,619.01 : x
  2. Step 2: Convert to fraction form
    404,101.76/606,130.67 = 123,619.01/x
  3. Step 3: Cross multiply
    404,101.76x = 606,130.67 × 123,619.01
  4. Step 4: Simplify right side
    404,101.76x = 74,929,276,169.86
  5. Step 5: Solve for x
    x = 74,929,276,169.86/404,101.76
  6. Step 6: Final answer
    x = 185,421.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.