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Finding the Fourth Proportional to 358,310.90, 537,485.16 and 92,073.17

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Solution

The fourth proportional to 358,310.90, 537,485.16 and 92,073.17 is: 138,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,310.90 : 537,485.16 = 92,073.17 : x
  2. Step 2: Convert to fraction form
    358,310.90/537,485.16 = 92,073.17/x
  3. Step 3: Cross multiply
    358,310.90x = 537,485.16 × 92,073.17
  4. Step 4: Simplify right side
    358,310.90x = 49,487,962,509.16
  5. Step 5: Solve for x
    x = 49,487,962,509.16/358,310.90
  6. Step 6: Final answer
    x = 138,114.59

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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.