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Finding the Fourth Proportional to 358,509.83, 537,761.08 and 92,269.31

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Solution

The fourth proportional to 358,509.83, 537,761.08 and 92,269.31 is: 138,403.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,509.83 : 537,761.08 = 92,269.31 : x
  2. Step 2: Convert to fraction form
    358,509.83/537,761.08 = 92,269.31/x
  3. Step 3: Cross multiply
    358,509.83x = 537,761.08 × 92,269.31
  4. Step 4: Simplify right side
    358,509.83x = 49,618,843,796.45
  5. Step 5: Solve for x
    x = 49,618,843,796.45/358,509.83
  6. Step 6: Final answer
    x = 138,403.02

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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.