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Finding the Fourth Proportional to 219,495.32, 329,235.63 and 93,054.21

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Solution

The fourth proportional to 219,495.32, 329,235.63 and 93,054.21 is: 139,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,495.32 : 329,235.63 = 93,054.21 : x
  2. Step 2: Convert to fraction form
    219,495.32/329,235.63 = 93,054.21/x
  3. Step 3: Cross multiply
    219,495.32x = 329,235.63 × 93,054.21
  4. Step 4: Simplify right side
    219,495.32x = 30,636,761,453.50
  5. Step 5: Solve for x
    x = 30,636,761,453.50/219,495.32
  6. Step 6: Final answer
    x = 139,578.20

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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.