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Finding the Fourth Proportional to 185,603.88, 278,269.50 and 59,171.40

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Solution

The fourth proportional to 185,603.88, 278,269.50 and 59,171.40 is: 88,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,603.88 : 278,269.50 = 59,171.40 : x
  2. Step 2: Convert to fraction form
    185,603.88/278,269.50 = 59,171.40/x
  3. Step 3: Cross multiply
    185,603.88x = 278,269.50 × 59,171.40
  4. Step 4: Simplify right side
    185,603.88x = 16,465,595,892.30
  5. Step 5: Solve for x
    x = 16,465,595,892.30/185,603.88
  6. Step 6: Final answer
    x = 88,713.64

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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.