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Finding the Fourth Proportional to 358,360.98, 537,619.26 and 109,036.50

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Solution

The fourth proportional to 358,360.98, 537,619.26 and 109,036.50 is: 163,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,360.98 : 537,619.26 = 109,036.50 : x
  2. Step 2: Convert to fraction form
    358,360.98/537,619.26 = 109,036.50/x
  3. Step 3: Cross multiply
    358,360.98x = 537,619.26 × 109,036.50
  4. Step 4: Simplify right side
    358,360.98x = 58,620,122,442.99
  5. Step 5: Solve for x
    x = 58,620,122,442.99/358,360.98
  6. Step 6: Final answer
    x = 163,578.42

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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.