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Finding the Fourth Proportional to 199,903.67, 299,907.45 and 59,662.30

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Solution

The fourth proportional to 199,903.67, 299,907.45 and 59,662.30 is: 89,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,903.67 : 299,907.45 = 59,662.30 : x
  2. Step 2: Convert to fraction form
    199,903.67/299,907.45 = 59,662.30/x
  3. Step 3: Cross multiply
    199,903.67x = 299,907.45 × 59,662.30
  4. Step 4: Simplify right side
    199,903.67x = 17,893,168,254.14
  5. Step 5: Solve for x
    x = 17,893,168,254.14/199,903.67
  6. Step 6: Final answer
    x = 89,508.95

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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.