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Finding the Fourth Proportional to 199,629.36, 299,404.80 and 59,356.80

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Solution

The fourth proportional to 199,629.36, 299,404.80 and 59,356.80 is: 89,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,629.36 : 299,404.80 = 59,356.80 : x
  2. Step 2: Convert to fraction form
    199,629.36/299,404.80 = 59,356.80/x
  3. Step 3: Cross multiply
    199,629.36x = 299,404.80 × 59,356.80
  4. Step 4: Simplify right side
    199,629.36x = 17,771,710,832.64
  5. Step 5: Solve for x
    x = 17,771,710,832.64/199,629.36
  6. Step 6: Final answer
    x = 89,023.53

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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.