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Finding the Fourth Proportional to 199,669.77, 299,329.74 and 75,098.25

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Solution

The fourth proportional to 199,669.77, 299,329.74 and 75,098.25 is: 112,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,669.77 : 299,329.74 = 75,098.25 : x
  2. Step 2: Convert to fraction form
    199,669.77/299,329.74 = 75,098.25/x
  3. Step 3: Cross multiply
    199,669.77x = 299,329.74 × 75,098.25
  4. Step 4: Simplify right side
    199,669.77x = 22,479,139,646.96
  5. Step 5: Solve for x
    x = 22,479,139,646.96/199,669.77
  6. Step 6: Final answer
    x = 112,581.59

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1.5x scale

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.