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Finding the Fourth Proportional to 220,110.90, 330,166.35 and 114,962.10

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Solution

The fourth proportional to 220,110.90, 330,166.35 and 114,962.10 is: 172,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,110.90 : 330,166.35 = 114,962.10 : x
  2. Step 2: Convert to fraction form
    220,110.90/330,166.35 = 114,962.10/x
  3. Step 3: Cross multiply
    220,110.90x = 330,166.35 × 114,962.10
  4. Step 4: Simplify right side
    220,110.90x = 37,956,616,945.34
  5. Step 5: Solve for x
    x = 37,956,616,945.34/220,110.90
  6. Step 6: Final answer
    x = 172,443.15

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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.