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Finding the Fourth Proportional to 199,390.28, 299,173.56 and 104,597.84

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Solution

The fourth proportional to 199,390.28, 299,173.56 and 104,597.84 is: 156,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,390.28 : 299,173.56 = 104,597.84 : x
  2. Step 2: Convert to fraction form
    199,390.28/299,173.56 = 104,597.84/x
  3. Step 3: Cross multiply
    199,390.28x = 299,173.56 × 104,597.84
  4. Step 4: Simplify right side
    199,390.28x = 31,292,908,161.11
  5. Step 5: Solve for x
    x = 31,292,908,161.11/199,390.28
  6. Step 6: Final answer
    x = 156,943.00

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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.