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Finding the Fourth Proportional to 219,609.77, 329,539.19 and 101,281.14

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Solution

The fourth proportional to 219,609.77, 329,539.19 and 101,281.14 is: 151,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,609.77 : 329,539.19 = 101,281.14 : x
  2. Step 2: Convert to fraction form
    219,609.77/329,539.19 = 101,281.14/x
  3. Step 3: Cross multiply
    219,609.77x = 329,539.19 × 101,281.14
  4. Step 4: Simplify right side
    219,609.77x = 33,376,104,331.47
  5. Step 5: Solve for x
    x = 33,376,104,331.47/219,609.77
  6. Step 6: Final answer
    x = 151,979.15

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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.