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Finding the Fourth Proportional to 219,980.18, 330,026.16 and 101,736.38

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Solution

The fourth proportional to 219,980.18, 330,026.16 and 101,736.38 is: 152,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,980.18 : 330,026.16 = 101,736.38 : x
  2. Step 2: Convert to fraction form
    219,980.18/330,026.16 = 101,736.38/x
  3. Step 3: Cross multiply
    219,980.18x = 330,026.16 × 101,736.38
  4. Step 4: Simplify right side
    219,980.18x = 33,575,666,823.70
  5. Step 5: Solve for x
    x = 33,575,666,823.70/219,980.18
  6. Step 6: Final answer
    x = 152,630.42

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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.