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Finding the Fourth Proportional to 185,604.88, 278,271 and 59,172.40

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Solution

The fourth proportional to 185,604.88, 278,271 and 59,172.40 is: 88,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,604.88 : 278,271 = 59,172.40 : x
  2. Step 2: Convert to fraction form
    185,604.88/278,271 = 59,172.40/x
  3. Step 3: Cross multiply
    185,604.88x = 278,271 × 59,172.40
  4. Step 4: Simplify right side
    185,604.88x = 16,465,962,920.40
  5. Step 5: Solve for x
    x = 16,465,962,920.40/185,604.88
  6. Step 6: Final answer
    x = 88,715.14

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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.