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Finding the Fourth Proportional to 617,423.88, 926,124.48 and 168,137.94

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Solution

The fourth proportional to 617,423.88, 926,124.48 and 168,137.94 is: 252,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,423.88 : 926,124.48 = 168,137.94 : x
  2. Step 2: Convert to fraction form
    617,423.88/926,124.48 = 168,137.94/x
  3. Step 3: Cross multiply
    617,423.88x = 926,124.48 × 168,137.94
  4. Step 4: Simplify right side
    617,423.88x = 155,716,662,250.77
  5. Step 5: Solve for x
    x = 155,716,662,250.77/617,423.88
  6. Step 6: Final answer
    x = 252,203.82

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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.